51357701 has 2 divisors, whose sum is σ = 51357702. Its totient is φ = 51357700.

The previous prime is 51357673. The next prime is 51357727. The reversal of 51357701 is 10775315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51136801 + 220900 = 7151^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 51357701 - 2²² = 47163397 is a prime.

It is a super-2 number, since 2×51357701² = 5275226904010802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51357751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25678850 + 25678851.

It is an arithmetic number, because the mean of its divisors is an integer number (25678851).

Almost surely, 2^51357701 is an apocalyptic number.

It is an amenable number.

51357701 is a deficient number, since it is larger than the sum of its proper divisors (1).

51357701 is an equidigital number, since it uses as much as digits as its factorization.

51357701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 51357701 is about 7166.4287479888. The cubic root of 51357701 is about 371.7079571877.

The spelling of 51357701 in words is "fifty-one million, three hundred fifty-seven thousand, seven hundred one".