51250951 has 2 divisors, whose sum is σ = 51250952. Its totient is φ = 51250950.

The previous prime is 51250909. The next prime is 51250973. The reversal of 51250951 is 15905215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51250951 - 2¹⁵ = 51218183 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51250151) 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, 25625475 + 25625476.

It is an arithmetic number, because the mean of its divisors is an integer number (25625476).

Almost surely, 2^51250951 is an apocalyptic number.

51250951 is a deficient number, since it is larger than the sum of its proper divisors (1).

51250951 is an equidigital number, since it uses as much as digits as its factorization.

51250951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 51250951 is about 7158.9769520512. The cubic root of 51250951 is about 371.4502395995.

The spelling of 51250951 in words is "fifty-one million, two hundred fifty thousand, nine hundred fifty-one".