252780502 has 16 divisors (see below), whose sum is σ = 408601872. Its totient is φ = 116592480.

The previous prime is 252780499. The next prime is 252780527. The reversal of 252780502 is 205087252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69493 + ... + 73039.

It is an arithmetic number, because the mean of its divisors is an integer number (25537617).

Almost surely, 2^252780502 is an apocalyptic number.

252780502 is a deficient number, since it is larger than the sum of its proper divisors (155821370).

252780502 is a wasteful number, since it uses less digits than its factorization.

252780502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 252780502 is about 15899.0723628770. The cubic root of 252780502 is about 632.2873949942.

The spelling of 252780502 in words is "two hundred fifty-two million, seven hundred eighty thousand, five hundred two".