253405032 has 16 divisors (see below), whose sum is σ = 633512640. Its totient is φ = 84468336.

The previous prime is 253405027. The next prime is 253405049. The reversal of 253405032 is 230504352.

It is a super-2 number, since 2×253405032² = 128428220485842048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 10558543 = 253405032 / (2 + 5 + 3 + 4 + 0 + 5 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 253404993 and 253405011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5279248 + ... + 5279295.

It is an arithmetic number, because the mean of its divisors is an integer number (39594540).

Almost surely, 2^253405032 is an apocalyptic number.

It is an amenable number.

253405032 is an abundant number, since it is smaller than the sum of its proper divisors (380107608).

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

253405032 is a wasteful number, since it uses less digits than its factorization.

253405032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558552 (or 10558548 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 253405032 is about 15918.7007007482. The cubic root of 253405032 is about 632.8076852394.

Adding to 253405032 its reverse (230504352), we get a palindrome (483909384).

The spelling of 253405032 in words is "two hundred fifty-three million, four hundred five thousand, thirty-two".