251252422948 has 48 divisors (see below), whose sum is σ = 446782800240. Its totient is φ = 123615258624.

The previous prime is 251252422847. The next prime is 251252422969. The reversal of 251252422948 is 849224252152.

251252422948 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 39852935424 + 211399487524 = 199632^2 + 459782^2 .

Its product of digits (921600) is a multiple of the sum of its prime factors (4096).

It is a junction number, because it is equal to n+sod(n) for n = 251252422898 and 251252422907.

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, 86132386 + ... + 86135302.

It is an arithmetic number, because the mean of its divisors is an integer number (9307975005).

Almost surely, 2^251252422948 is an apocalyptic number.

It is an amenable number.

251252422948 is a deficient number, since it is larger than the sum of its proper divisors (195530377292).

251252422948 is a wasteful number, since it uses less digits than its factorization.

251252422948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096 (or 4094 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The spelling of 251252422948 in words is "two hundred fifty-one billion, two hundred fifty-two million, four hundred twenty-two thousand, nine hundred forty-eight".