59415991 has 2 divisors, whose sum is σ = 59415992. Its totient is φ = 59415990.

The previous prime is 59415989. The next prime is 59415997. The reversal of 59415991 is 19951495.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 59415991 - 2¹ = 59415989 is a prime.

Together with 59415989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59415997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29707995 + 29707996.

It is an arithmetic number, because the mean of its divisors is an integer number (29707996).

Almost surely, 2^59415991 is an apocalyptic number.

59415991 is a deficient number, since it is larger than the sum of its proper divisors (1).

59415991 is an equidigital number, since it uses as much as digits as its factorization.

59415991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 43.

The square root of 59415991 is about 7708.1768921062. The cubic root of 59415991 is about 390.2124439743.

It can be divided in two parts, 59415 and 991, that added together give a palindrome (60406).

The spelling of 59415991 in words is "fifty-nine million, four hundred fifteen thousand, nine hundred ninety-one".