51232537 has 2 divisors, whose sum is σ = 51232538. Its totient is φ = 51232536.

The previous prime is 51232483. The next prime is 51232541. The reversal of 51232537 is 73523215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 7817616 = 6589^2 + 2796^2 .

It is a cyclic number.

It is not a de Polignac number, because 51232537 - 2⁷ = 51232409 is a prime.

It is not a weakly prime, because it can be changed into another prime (51232837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25616268 + 25616269.

It is an arithmetic number, because the mean of its divisors is an integer number (25616269).

Almost surely, 2^51232537 is an apocalyptic number.

It is an amenable number.

51232537 is a deficient number, since it is larger than the sum of its proper divisors (1).

51232537 is an equidigital number, since it uses as much as digits as its factorization.

51232537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 28.

The square root of 51232537 is about 7157.6907588970. The cubic root of 51232537 is about 371.4057480411.

The spelling of 51232537 in words is "fifty-one million, two hundred thirty-two thousand, five hundred thirty-seven".