59972621 has 2 divisors, whose sum is σ = 59972622. Its totient is φ = 59972620.

The previous prime is 59972599. The next prime is 59972623. The reversal of 59972621 is 12627995.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35271721 + 24700900 = 5939^2 + 4970^2 .

It is a cyclic number.

It is not a de Polignac number, because 59972621 - 2⁶ = 59972557 is a prime.

Together with 59972623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59972623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29986310 + 29986311.

It is an arithmetic number, because the mean of its divisors is an integer number (29986311).

Almost surely, 2^59972621 is an apocalyptic number.

It is an amenable number.

59972621 is a deficient number, since it is larger than the sum of its proper divisors (1).

59972621 is an equidigital number, since it uses as much as digits as its factorization.

59972621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 59972621 is about 7744.1991839053. The cubic root of 59972621 is about 391.4272077454.

The spelling of 59972621 in words is "fifty-nine million, nine hundred seventy-two thousand, six hundred twenty-one".