51265467 has 32 divisors (see below), whose sum is σ = 83915520. Its totient is φ = 31055400.

The previous prime is 51265447. The next prime is 51265471. The reversal of 51265467 is 76456215.

It is a happy number.

It is not a de Polignac number, because 51265467 - 2²³ = 42876859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51265427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22992 + ... + 25122.

It is an arithmetic number, because the mean of its divisors is an integer number (2622360).

Almost surely, 2^51265467 is an apocalyptic number.

51265467 is a deficient number, since it is larger than the sum of its proper divisors (32650053).

51265467 is an equidigital number, since it uses as much as digits as its factorization.

51265467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163 (or 2145 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 51265467 is about 7159.9907122845. The cubic root of 51265467 is about 371.4853053729.

The spelling of 51265467 in words is "fifty-one million, two hundred sixty-five thousand, four hundred sixty-seven".