252402430 has 48 divisors (see below), whose sum is σ = 538526880. Its totient is φ = 84896448.

The previous prime is 252402421. The next prime is 252402461. The reversal of 252402430 is 34204252.

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, 21111 + ... + 30829.

It is an arithmetic number, because the mean of its divisors is an integer number (11219310).

Almost surely, 2^252402430 is an apocalyptic number.

252402430 is an abundant number, since it is smaller than the sum of its proper divisors (286124450).

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

252402430 is a wasteful number, since it uses less digits than its factorization.

252402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9793 (or 9786 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 252402430 is about 15887.1781635380. The cubic root of 252402430 is about 631.9720101234.

Adding to 252402430 its reverse (34204252), we get a palindrome (286606682).

The spelling of 252402430 in words is "two hundred fifty-two million, four hundred two thousand, four hundred thirty".