51137033 has 2 divisors, whose sum is σ = 51137034. Its totient is φ = 51137032.

The previous prime is 51136991. The next prime is 51137039. The reversal of 51137033 is 33073115.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 6086089 = 6712^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 51137033 - 2⁸ = 51136777 is a prime.

It is a super-2 number, since 2×51137033² = 5229992288086178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51137039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25568516 + 25568517.

It is an arithmetic number, because the mean of its divisors is an integer number (25568517).

Almost surely, 2^51137033 is an apocalyptic number.

It is an amenable number.

51137033 is a deficient number, since it is larger than the sum of its proper divisors (1).

51137033 is an equidigital number, since it uses as much as digits as its factorization.

51137033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 51137033 is about 7151.0162214891. The cubic root of 51137033 is about 371.1748218878.

The spelling of 51137033 in words is "fifty-one million, one hundred thirty-seven thousand, thirty-three".