253624329 has 12 divisors (see below), whose sum is σ = 418681536. Its totient is φ = 144928152.

The previous prime is 253624297. The next prime is 253624333. The reversal of 253624329 is 923426352.

It is a happy number.

253624329 is a `hidden beast` number, since 2 + 5 + 3 + 624 + 3 + 29 = 666.

It is not a de Polignac number, because 253624329 - 2⁵ = 253624297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253624293 and 253624302.

It is not an unprimeable number, because it can be changed into a prime (253624339) 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, 2012829 + ... + 2012954.

It is an arithmetic number, because the mean of its divisors is an integer number (34890128).

Almost surely, 2^253624329 is an apocalyptic number.

It is an amenable number.

253624329 is a deficient number, since it is larger than the sum of its proper divisors (165057207).

253624329 is a wasteful number, since it uses less digits than its factorization.

253624329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025796 (or 4025793 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 253624329 is about 15925.5872419198. The cubic root of 253624329 is about 632.9901767678.

The spelling of 253624329 in words is "two hundred fifty-three million, six hundred twenty-four thousand, three hundred twenty-nine".