252420524403 has 16 divisors (see below), whose sum is σ = 338093692416. Its totient is φ = 167514074720.

The previous prime is 252420524393. The next prime is 252420524441. The reversal of 252420524403 is 304425024252.

It is a cyclic number.

It is not a de Polignac number, because 252420524403 - 2⁶ = 252420524339 is a prime.

It is a super-2 number, since 2×252420524403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252420524443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5303773 + ... + 5351153.

It is an arithmetic number, because the mean of its divisors is an integer number (21130855776).

Almost surely, 2^252420524403 is an apocalyptic number.

252420524403 is a deficient number, since it is larger than the sum of its proper divisors (85673168013).

252420524403 is a wasteful number, since it uses less digits than its factorization.

252420524403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55434.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 252420524403 its reverse (304425024252), we get a palindrome (556845548655).

The spelling of 252420524403 in words is "two hundred fifty-two billion, four hundred twenty million, five hundred twenty-four thousand, four hundred three".