320253577 has 4 divisors (see below), whose sum is σ = 366004096. Its totient is φ = 274503060.

The previous prime is 320253559. The next prime is 320253589. The reversal of 320253577 is 775352023.

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 320253577 - 2¹⁵ = 320220809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320253077) 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, 22875249 + ... + 22875262.

It is an arithmetic number, because the mean of its divisors is an integer number (91501024).

Almost surely, 2^320253577 is an apocalyptic number.

It is an amenable number.

320253577 is a deficient number, since it is larger than the sum of its proper divisors (45750519).

320253577 is an equidigital number, since it uses as much as digits as its factorization.

320253577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45750518.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 320253577 is about 17895.6301090518. The cubic root of 320253577 is about 684.1710020398.

The spelling of 320253577 in words is "three hundred twenty million, two hundred fifty-three thousand, five hundred seventy-seven".