51477073 has 2 divisors, whose sum is σ = 51477074. Its totient is φ = 51477072.

The previous prime is 51477067. The next prime is 51477077. The reversal of 51477073 is 37077415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40666129 + 10810944 = 6377^2 + 3288^2 .

It is a cyclic number.

It is not a de Polignac number, because 51477073 - 2²¹ = 49379921 is a prime.

It is not a weakly prime, because it can be changed into another prime (51477077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25738536 + 25738537.

It is an arithmetic number, because the mean of its divisors is an integer number (25738537).

Almost surely, 2^51477073 is an apocalyptic number.

It is an amenable number.

51477073 is a deficient number, since it is larger than the sum of its proper divisors (1).

51477073 is an equidigital number, since it uses as much as digits as its factorization.

51477073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 51477073 is about 7174.7524695978. The cubic root of 51477073 is about 371.9957244084.

The spelling of 51477073 in words is "fifty-one million, four hundred seventy-seven thousand, seventy-three".