251253052 has 24 divisors (see below), whose sum is σ = 446644800. Its totient is φ = 123653376.

The previous prime is 251253049. The next prime is 251253061. The reversal of 251253052 is 250352152.

It is a happy number.

It is a super-2 number, since 2×251253052² = 126256192278629408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83608 + ... + 86560.

It is an arithmetic number, because the mean of its divisors is an integer number (18610200).

Almost surely, 2^251253052 is an apocalyptic number.

It is an amenable number.

251253052 is a deficient number, since it is larger than the sum of its proper divisors (195391748).

251253052 is a wasteful number, since it uses less digits than its factorization.

251253052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 251253052 is about 15850.9637561885. The cubic root of 251253052 is about 631.0112691094.

The spelling of 251253052 in words is "two hundred fifty-one million, two hundred fifty-three thousand, fifty-two".