51175425 has 48 divisors (see below), whose sum is σ = 97708032. Its totient is φ = 23150400.

The previous prime is 51175381. The next prime is 51175427. The reversal of 51175425 is 52457115.

It is not a de Polignac number, because 51175425 - 2⁷ = 51175297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51175392 and 51175401.

It is not an unprimeable number, because it can be changed into a prime (51175427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55720 + ... + 56630.

It is an arithmetic number, because the mean of its divisors is an integer number (2035584).

It is a Proth number, since it is equal to 6247 ⋅ 2¹³ + 1 and 6247 < 2¹³.

Almost surely, 2^51175425 is an apocalyptic number.

It is an amenable number.

51175425 is a deficient number, since it is larger than the sum of its proper divisors (46532607).

51175425 is a wasteful number, since it uses less digits than its factorization.

51175425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1033 counting only the distinct ones).

The product of its digits is 7000, while the sum is 30.

The square root of 51175425 is about 7153.7000915610. The cubic root of 51175425 is about 371.2676872617.

The spelling of 51175425 in words is "fifty-one million, one hundred seventy-five thousand, four hundred twenty-five".