252510756 has 12 divisors (see below), whose sum is σ = 589191792.
Its totient is φ = 84170248.
The previous prime is 252510733. The next prime is 252510773. The reversal of 252510756 is 657015252.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10521270 + ... + 10521293.
It is an arithmetic number, because the mean of its divisors is an integer number (49099316).
Almost surely, 2252510756 is an apocalyptic number.
It is an amenable number.
252510756 is an abundant number, since it is smaller than the sum of its proper divisors (336681036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252510756 is a wasteful number, since it uses less digits than its factorization.
252510756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21042570 (or 21042568 counting only the distinct ones).
The product of its (nonzero) digits is 21000, while the sum is 33.
The square root of 252510756 is about 15890.5870250284.
The cubic root of 252510756 is about 632.0624070457.
The spelling of 252510756 in words is "two hundred fifty-two million, five hundred ten thousand, seven hundred fifty-six".