247752252 has 36 divisors (see below), whose sum is σ = 683196696. Its totient is φ = 75076320.

The previous prime is 247752247. The next prime is 247752287. The reversal of 247752252 is 252257742.

247752252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×247752252² = 122762356742143008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312423 + ... + 313214.

It is an arithmetic number, because the mean of its divisors is an integer number (18977686).

Almost surely, 2^247752252 is an apocalyptic number.

247752252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

247752252 is an abundant number, since it is smaller than the sum of its proper divisors (435444444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247752252 is a wasteful number, since it uses less digits than its factorization.

247752252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625658 (or 625653 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 247752252 is about 15740.1477756722. The cubic root of 247752252 is about 628.0668481993.

It can be divided in two parts, 247752 and 252, that added together give a square (248004 = 498²).

The spelling of 247752252 in words is "two hundred forty-seven million, seven hundred fifty-two thousand, two hundred fifty-two".