51413525 has 24 divisors (see below), whose sum is σ = 71066880. Its totient is φ = 36668160.

The previous prime is 51413519. The next prime is 51413539. The reversal of 51413525 is 52531415.

It is not a de Polignac number, because 51413525 - 2⁸ = 51413269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51413494 and 51413503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4892 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (2961120).

Almost surely, 2^51413525 is an apocalyptic number.

It is an amenable number.

51413525 is a deficient number, since it is larger than the sum of its proper divisors (19653355).

51413525 is a wasteful number, since it uses less digits than its factorization.

51413525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413 (or 6408 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 51413525 is about 7170.3225171536. The cubic root of 51413525 is about 371.8425862104.

The spelling of 51413525 in words is "fifty-one million, four hundred thirteen thousand, five hundred twenty-five".