253380579 has 4 divisors (see below), whose sum is σ = 337840776. Its totient is φ = 168920384.

The previous prime is 253380539. The next prime is 253380607. The reversal of 253380579 is 975083352.

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

It is a cyclic number.

It is not a de Polignac number, because 253380579 - 2¹⁵ = 253347811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253380579.

It is not an unprimeable number, because it can be changed into a prime (253380509) 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, 42230094 + ... + 42230099.

It is an arithmetic number, because the mean of its divisors is an integer number (84460194).

Almost surely, 2^253380579 is an apocalyptic number.

253380579 is a deficient number, since it is larger than the sum of its proper divisors (84460197).

253380579 is an equidigital number, since it uses as much as digits as its factorization.

253380579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84460196.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 253380579 is about 15917.9326233026. The cubic root of 253380579 is about 632.7873297582.

The spelling of 253380579 in words is "two hundred fifty-three million, three hundred eighty thousand, five hundred seventy-nine".