251674052 has 48 divisors (see below), whose sum is σ = 537788160. Its totient is φ = 100595712.

The previous prime is 251674039. The next prime is 251674079. The reversal of 251674052 is 250476152.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51449 + ... + 56127.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^251674052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 251674052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268894080).

251674052 is an abundant number, since it is smaller than the sum of its proper divisors (286114108).

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

251674052 is a wasteful number, since it uses less digits than its factorization.

251674052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820 (or 4818 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 251674052 is about 15864.2381474813. The cubic root of 251674052 is about 631.3635135928.

The spelling of 251674052 in words is "two hundred fifty-one million, six hundred seventy-four thousand, fifty-two".