252455402534 has 4 divisors (see below), whose sum is σ = 378683103804. Its totient is φ = 126227701266.

The previous prime is 252455402513. The next prime is 252455402567. The reversal of 252455402534 is 435204554252.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 252455402491 and 252455402500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63113850632 + ... + 63113850635.

It is an arithmetic number, because the mean of its divisors is an integer number (94670775951).

Almost surely, 2^252455402534 is an apocalyptic number.

252455402534 is a deficient number, since it is larger than the sum of its proper divisors (126227701270).

252455402534 is a wasteful number, since it uses less digits than its factorization.

252455402534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126227701269.

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 252455402534 its reverse (435204554252), we get a palindrome (687659956786).

The spelling of 252455402534 in words is "two hundred fifty-two billion, four hundred fifty-five million, four hundred two thousand, five hundred thirty-four".