251625535132 has 24 divisors (see below), whose sum is σ = 448784471520. Its totient is φ = 123424257600.

The previous prime is 251625535121. The next prime is 251625535151. The reversal of 251625535132 is 231535526152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2813008 + ... + 2901079.

It is an arithmetic number, because the mean of its divisors is an integer number (18699352980).

Almost surely, 2^251625535132 is an apocalyptic number.

It is an amenable number.

251625535132 is a deficient number, since it is larger than the sum of its proper divisors (197158936388).

251625535132 is a wasteful number, since it uses less digits than its factorization.

251625535132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714301 (or 5714299 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The spelling of 251625535132 in words is "two hundred fifty-one billion, six hundred twenty-five million, five hundred thirty-five thousand, one hundred thirty-two".