251325712 has 60 divisors (see below), whose sum is σ = 547864240. Its totient is φ = 111545280.

The previous prime is 251325707. The next prime is 251325713. The reversal of 251325712 is 217523152.

251325712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×251325712² = 126329227024613888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (251325713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81739 + ... + 84757.

Almost surely, 2^251325712 is an apocalyptic number.

251325712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 251325712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273932120).

251325712 is an abundant number, since it is smaller than the sum of its proper divisors (296538528).

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

251325712 is a wasteful number, since it uses less digits than its factorization.

251325712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3075 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 251325712 is about 15853.2555647097. The cubic root of 251325712 is about 631.0720907385.

Adding to 251325712 its reverse (217523152), we get a palindrome (468848864).

The spelling of 251325712 in words is "two hundred fifty-one million, three hundred twenty-five thousand, seven hundred twelve".