252509547750 has 32 divisors (see below), whose sum is σ = 630263833056. Its totient is φ = 67335879200.

The previous prime is 252509547677. The next prime is 252509547751. The reversal of 252509547750 is 57745905252.

It is a super-2 number, since 2×252509547750² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252509547693 and 252509547702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252509547751) 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, 168338949 + ... + 168340448.

It is an arithmetic number, because the mean of its divisors is an integer number (19695744783).

Almost surely, 2^252509547750 is an apocalyptic number.

252509547750 is an abundant number, since it is smaller than the sum of its proper divisors (377754285306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252509547750 is a wasteful number, since it uses less digits than its factorization.

252509547750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336679417 (or 336679407 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 51.

The spelling of 252509547750 in words is "two hundred fifty-two billion, five hundred nine million, five hundred forty-seven thousand, seven hundred fifty".