2572309393 has 2 divisors, whose sum is σ = 2572309394. Its totient is φ = 2572309392.

The previous prime is 2572309387. The next prime is 2572309469. The reversal of 2572309393 is 3939032752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2399334289 + 172975104 = 48983^2 + 13152^2 .

It is a cyclic number.

It is not a de Polignac number, because 2572309393 - 2⁵ = 2572309361 is a prime.

It is a super-2 number, since 2×2572309393² = 13233551226632056898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2572309303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286154696 + 1286154697.

It is an arithmetic number, because the mean of its divisors is an integer number (1286154697).

Almost surely, 2^2572309393 is an apocalyptic number.

It is an amenable number.

2572309393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572309393 is an equidigital number, since it uses as much as digits as its factorization.

2572309393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 43.

The square root of 2572309393 is about 50717.9395579119. The cubic root of 2572309393 is about 1370.1698322501.

The spelling of 2572309393 in words is "two billion, five hundred seventy-two million, three hundred nine thousand, three hundred ninety-three".