59881421 has 2 divisors, whose sum is σ = 59881422. Its totient is φ = 59881420.

The previous prime is 59881417. The next prime is 59881457. The reversal of 59881421 is 12418895.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51696100 + 8185321 = 7190^2 + 2861^2 .

It is a cyclic number.

It is not a de Polignac number, because 59881421 - 2² = 59881417 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59881721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29940710 + 29940711.

It is an arithmetic number, because the mean of its divisors is an integer number (29940711).

Almost surely, 2^59881421 is an apocalyptic number.

It is an amenable number.

59881421 is a deficient number, since it is larger than the sum of its proper divisors (1).

59881421 is an equidigital number, since it uses as much as digits as its factorization.

59881421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 38.

The square root of 59881421 is about 7738.3086653351. The cubic root of 59881421 is about 391.2286934268.

The spelling of 59881421 in words is "fifty-nine million, eight hundred eighty-one thousand, four hundred twenty-one".