253712430 has 48 divisors (see below), whose sum is σ = 660941424. Its totient is φ = 67524480.

The previous prime is 253712423. The next prime is 253712443. The reversal of 253712430 is 34217352.

253712430 is a `hidden beast` number, since 2 + 537 + 124 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 253712394 and 253712403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48922 + ... + 53858.

It is an arithmetic number, because the mean of its divisors is an integer number (13769613).

Almost surely, 2^253712430 is an apocalyptic number.

253712430 is an abundant number, since it is smaller than the sum of its proper divisors (407228994).

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

253712430 is a wasteful number, since it uses less digits than its factorization.

253712430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521 (or 5518 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 253712430 is about 15928.3530222054. The cubic root of 253712430 is about 633.0634618135.

Adding to 253712430 its reverse (34217352), we get a palindrome (287929782).

The spelling of 253712430 in words is "two hundred fifty-three million, seven hundred twelve thousand, four hundred thirty".