59209421 has 4 divisors (see below), whose sum is σ = 59226012. Its totient is φ = 59192832.

The previous prime is 59209417. The next prime is 59209433. The reversal of 59209421 is 12490295.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35832196 + 23377225 = 5986^2 + 4835^2 .

It is a cyclic number.

It is not a de Polignac number, because 59209421 - 2² = 59209417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59209921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (14806503).

Almost surely, 2^59209421 is an apocalyptic number.

It is an amenable number.

59209421 is a deficient number, since it is larger than the sum of its proper divisors (16591).

59209421 is a wasteful number, since it uses less digits than its factorization.

59209421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16590.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 59209421 is about 7694.7658183989. The cubic root of 59209421 is about 389.7597051418.

The spelling of 59209421 in words is "fifty-nine million, two hundred nine thousand, four hundred twenty-one".