32557313 has 4 divisors (see below), whose sum is σ = 32586288. Its totient is φ = 32528340.

The previous prime is 32557307. The next prime is 32557333. The reversal of 32557313 is 31375523.

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 32557313 - 2¹² = 32553217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32557303) 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, 12731 + ... + 15072.

It is an arithmetic number, because the mean of its divisors is an integer number (8146572).

Almost surely, 2^32557313 is an apocalyptic number.

It is an amenable number.

32557313 is a deficient number, since it is larger than the sum of its proper divisors (28975).

32557313 is a wasteful number, since it uses less digits than its factorization.

32557313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28974.

The product of its digits is 9450, while the sum is 29.

The square root of 32557313 is about 5705.9015939639. The cubic root of 32557313 is about 319.3126947647.

The spelling of 32557313 in words is "thirty-two million, five hundred fifty-seven thousand, three hundred thirteen".