76131025 has 6 divisors (see below), whose sum is σ = 94402502. Its totient is φ = 60904800.

The previous prime is 76131019. The next prime is 76131031. The reversal of 76131025 is 52013167.

It is an interprime number because it is at equal distance from previous prime (76131019) and next prime (76131031).

It can be written as a sum of positive squares in 3 ways, for example, as 944784 + 75186241 = 972^2 + 8671^2 .

It is not a de Polignac number, because 76131025 - 2³ = 76131017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 3045241 = 76131025 / (7 + 6 + 1 + 3 + 1 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1522596 + ... + 1522645.

Almost surely, 2^76131025 is an apocalyptic number.

It is an amenable number.

76131025 is a deficient number, since it is larger than the sum of its proper divisors (18271477).

76131025 is a wasteful number, since it uses less digits than its factorization.

76131025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045251 (or 3045246 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 76131025 is about 8725.3094500997. The cubic root of 76131025 is about 423.8256391924.

The spelling of 76131025 in words is "seventy-six million, one hundred thirty-one thousand, twenty-five".