251352275 has 6 divisors (see below), whose sum is σ = 311676852. Its totient is φ = 201081800.

The previous prime is 251352271. The next prime is 251352289. The reversal of 251352275 is 572253152.

It is not a de Polignac number, because 251352275 - 2² = 251352271 is a prime.

It is a super-2 number, since 2×251352275² = 126355932295351250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (251352271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5027021 + ... + 5027070.

It is an arithmetic number, because the mean of its divisors is an integer number (51946142).

Almost surely, 2^251352275 is an apocalyptic number.

251352275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

251352275 is a deficient number, since it is larger than the sum of its proper divisors (60324577).

251352275 is a wasteful number, since it uses less digits than its factorization.

251352275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10054101 (or 10054096 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 251352275 is about 15854.0933200231. The cubic root of 251352275 is about 631.0943229477.

The spelling of 251352275 in words is "two hundred fifty-one million, three hundred fifty-two thousand, two hundred seventy-five".