252400435 has 16 divisors (see below), whose sum is σ = 348880896. Its totient is φ = 171708768.

The previous prime is 252400429. The next prime is 252400441. The reversal of 252400435 is 534004252.

It is an interprime number because it is at equal distance from previous prime (252400429) and next prime (252400441).

It is not a de Polignac number, because 252400435 - 2⁵ = 252400403 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23947 + ... + 32836.

It is an arithmetic number, because the mean of its divisors is an integer number (21805056).

Almost surely, 2^252400435 is an apocalyptic number.

252400435 is a deficient number, since it is larger than the sum of its proper divisors (96480461).

252400435 is a wasteful number, since it uses less digits than its factorization.

252400435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56922.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 252400435 is about 15887.1153769336. The cubic root of 252400435 is about 631.9703450741.

Adding to 252400435 its reverse (534004252), we get a palindrome (786404687).

The spelling of 252400435 in words is "two hundred fifty-two million, four hundred thousand, four hundred thirty-five".