59961421 has 8 divisors (see below), whose sum is σ = 64653624. Its totient is φ = 55280640.

The previous prime is 59961413. The next prime is 59961439. The reversal of 59961421 is 12416995.

59961421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12888100 + 47073321 = 3590^2 + 6861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 59961421 - 2³ = 59961413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59961491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10341 + ... + 15061.

It is an arithmetic number, because the mean of its divisors is an integer number (8081703).

Almost surely, 2^59961421 is an apocalyptic number.

It is an amenable number.

59961421 is a deficient number, since it is larger than the sum of its proper divisors (4692203).

59961421 is a wasteful number, since it uses less digits than its factorization.

59961421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711.

The product of its digits is 19440, while the sum is 37.

The square root of 59961421 is about 7743.4760282447. The cubic root of 59961421 is about 391.4028396388.

The spelling of 59961421 in words is "fifty-nine million, nine hundred sixty-one thousand, four hundred twenty-one".