245660052 has 24 divisors (see below), whose sum is σ = 625316832. Its totient is φ = 74442400.

The previous prime is 245660029. The next prime is 245660099. The reversal of 245660052 is 250066542.

245660052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245660052² = 120697722297285408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930399 + ... + 930662.

It is an arithmetic number, because the mean of its divisors is an integer number (26054868).

Almost surely, 2^245660052 is an apocalyptic number.

245660052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245660052 is an abundant number, since it is smaller than the sum of its proper divisors (379656780).

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

245660052 is a wasteful number, since it uses less digits than its factorization.

245660052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861079 (or 1861077 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 245660052 is about 15673.5462483766. The cubic root of 245660052 is about 626.2938971863.

The spelling of 245660052 in words is "two hundred forty-five million, six hundred sixty thousand, fifty-two".