51479707 has 2 divisors, whose sum is σ = 51479708. Its totient is φ = 51479706.

The previous prime is 51479693. The next prime is 51479713. The reversal of 51479707 is 70797415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51479707 - 2¹⁵ = 51446939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51479707.

It is not a weakly prime, because it can be changed into another prime (51479737) 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, 25739853 + 25739854.

It is an arithmetic number, because the mean of its divisors is an integer number (25739854).

Almost surely, 2^51479707 is an apocalyptic number.

51479707 is a deficient number, since it is larger than the sum of its proper divisors (1).

51479707 is an equidigital number, since it uses as much as digits as its factorization.

51479707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 51479707 is about 7174.9360275894. The cubic root of 51479707 is about 372.0020691102.

The spelling of 51479707 in words is "fifty-one million, four hundred seventy-nine thousand, seven hundred seven".