252503765 has 8 divisors (see below), whose sum is σ = 304543800. Its totient is φ = 200976832.

The previous prime is 252503753. The next prime is 252503777. The reversal of 252503765 is 567305252.

It is an interprime number because it is at equal distance from previous prime (252503753) and next prime (252503777).

It can be written as a sum of positive squares in 4 ways, for example, as 110965156 + 141538609 = 10534^2 + 11897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252503765 - 2⁶ = 252503701 is a prime.

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, 127190 + ... + 129159.

It is an arithmetic number, because the mean of its divisors is an integer number (38067975).

Almost surely, 2^252503765 is an apocalyptic number.

It is an amenable number.

252503765 is a deficient number, since it is larger than the sum of its proper divisors (52040035).

252503765 is a wasteful number, since it uses less digits than its factorization.

252503765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256551.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 252503765 is about 15890.3670505121. The cubic root of 252503765 is about 632.0565739093.

The spelling of 252503765 in words is "two hundred fifty-two million, five hundred three thousand, seven hundred sixty-five".