51425298 has 12 divisors (see below), whose sum is σ = 111421518. Its totient is φ = 17141760.

The previous prime is 51425293. The next prime is 51425299. The reversal of 51425298 is 89252415.

51425298 is a `hidden beast` number, since 514 + 2 + 52 + 98 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50509449 + 915849 = 7107^2 + 957^2 .

It is a super-2 number, since 2×51425298² = 5289122548777608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51425293) 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, 1428463 + ... + 1428498.

Almost surely, 2^51425298 is an apocalyptic number.

51425298 is an abundant number, since it is smaller than the sum of its proper divisors (59996220).

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

51425298 is a wasteful number, since it uses less digits than its factorization.

51425298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856969 (or 2856966 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 51425298 is about 7171.1434234716. The cubic root of 51425298 is about 371.8709663475.

It can be divided in two parts, 5142 and 5298, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 51425298 in words is "fifty-one million, four hundred twenty-five thousand, two hundred ninety-eight".