51162037 has 2 divisors, whose sum is σ = 51162038. Its totient is φ = 51162036.

The previous prime is 51162029. The next prime is 51162049. The reversal of 51162037 is 73026115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51065316 + 96721 = 7146^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 51162037 - 2³ = 51162029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51162337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25581018 + 25581019.

It is an arithmetic number, because the mean of its divisors is an integer number (25581019).

Almost surely, 2^51162037 is an apocalyptic number.

It is an amenable number.

51162037 is a deficient number, since it is larger than the sum of its proper divisors (1).

51162037 is an equidigital number, since it uses as much as digits as its factorization.

51162037 is an evil number, because the sum of its binary digits is even.

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

The square root of 51162037 is about 7152.7642908179. The cubic root of 51162037 is about 371.2353086652.

It can be divided in two parts, 5 and 1162037, that multiplied together give a palindrome (5810185).

The spelling of 51162037 in words is "fifty-one million, one hundred sixty-two thousand, thirty-seven".