248721552 has 60 divisors (see below), whose sum is σ = 732718480. Its totient is φ = 78542784.

The previous prime is 248721523. The next prime is 248721553. The reversal of 248721552 is 255127842.

It is a happy number.

248721552 is a `hidden beast` number, since 2 + 4 + 87 + 21 + 552 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (248721553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42718 + ... + 48189.

Almost surely, 2^248721552 is an apocalyptic number.

It is an amenable number.

248721552 is an abundant number, since it is smaller than the sum of its proper divisors (483996928).

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

248721552 is a wasteful number, since it uses less digits than its factorization.

248721552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90940 (or 90931 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 248721552 is about 15770.9084075712. The cubic root of 248721552 is about 628.8848602523.

It can be divided in two parts, 24 and 8721552, that added together give a triangular number (8721576 = T₄₁₇₆).

The spelling of 248721552 in words is "two hundred forty-eight million, seven hundred twenty-one thousand, five hundred fifty-two".