51151007 has 2 divisors, whose sum is σ = 51151008. Its totient is φ = 51151006.

The previous prime is 51150941. The next prime is 51151013. The reversal of 51151007 is 70015115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51151007 - 2¹⁸ = 50888863 is a prime.

It is a super-2 number, since 2×51151007² = 5232851034228098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51151007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51151207) 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, 25575503 + 25575504.

It is an arithmetic number, because the mean of its divisors is an integer number (25575504).

Almost surely, 2^51151007 is an apocalyptic number.

51151007 is a deficient number, since it is larger than the sum of its proper divisors (1).

51151007 is an equidigital number, since it uses as much as digits as its factorization.

51151007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 51151007 is about 7151.9932186769. The cubic root of 51151007 is about 371.2086285981.

The spelling of 51151007 in words is "fifty-one million, one hundred fifty-one thousand, seven".