58999621 has 2 divisors, whose sum is σ = 58999622. Its totient is φ = 58999620.

The previous prime is 58999573. The next prime is 58999631. The reversal of 58999621 is 12699985.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39551521 + 19448100 = 6289^2 + 4410^2 .

It is a cyclic number.

It is not a de Polignac number, because 58999621 - 2²³ = 50611013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58999631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29499810 + 29499811.

It is an arithmetic number, because the mean of its divisors is an integer number (29499811).

Almost surely, 2^58999621 is an apocalyptic number.

It is an amenable number.

58999621 is a deficient number, since it is larger than the sum of its proper divisors (1).

58999621 is an equidigital number, since it uses as much as digits as its factorization.

58999621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 49.

The square root of 58999621 is about 7681.1210770304. The cubic root of 58999621 is about 389.2988080004.

The spelling of 58999621 in words is "fifty-eight million, nine hundred ninety-nine thousand, six hundred twenty-one".