59725409 has 4 divisors (see below), whose sum is σ = 61114416. Its totient is φ = 58336404.

The previous prime is 59725399. The next prime is 59725427. The reversal of 59725409 is 90452795.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 59725409 - 2²⁰ = 58676833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59725429) 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, 694439 + ... + 694524.

It is an arithmetic number, because the mean of its divisors is an integer number (15278604).

Almost surely, 2^59725409 is an apocalyptic number.

It is an amenable number.

59725409 is a deficient number, since it is larger than the sum of its proper divisors (1389007).

59725409 is a wasteful number, since it uses less digits than its factorization.

59725409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389006.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 59725409 is about 7728.2215936139. The cubic root of 59725409 is about 390.8886355047. Note that the first 3 decimals are identical.

The spelling of 59725409 in words is "fifty-nine million, seven hundred twenty-five thousand, four hundred nine".