32400313 has 4 divisors (see below), whose sum is σ = 35345808. Its totient is φ = 29454820.

The previous prime is 32400311. The next prime is 32400323. The reversal of 32400313 is 31300423.

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 32400313 - 2¹ = 32400311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32400311) 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, 1472731 + ... + 1472752.

It is an arithmetic number, because the mean of its divisors is an integer number (8836452).

Almost surely, 2^32400313 is an apocalyptic number.

It is an amenable number.

32400313 is a deficient number, since it is larger than the sum of its proper divisors (2945495).

32400313 is a wasteful number, since it uses less digits than its factorization.

32400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945494.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 32400313 is about 5692.1272824841. The cubic root of 32400313 is about 318.7985973321.

Adding to 32400313 its reverse (31300423), we get a palindrome (63700736).

The spelling of 32400313 in words is "thirty-two million, four hundred thousand, three hundred thirteen".