2572797971 has 2 divisors, whose sum is σ = 2572797972. Its totient is φ = 2572797970.

The previous prime is 2572797889. The next prime is 2572797991. The reversal of 2572797971 is 1797972752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2572797971 - 2¹⁸ = 2572535827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2572797991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286398985 + 1286398986.

It is an arithmetic number, because the mean of its divisors is an integer number (1286398986).

Almost surely, 2^2572797971 is an apocalyptic number.

2572797971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572797971 is an equidigital number, since it uses as much as digits as its factorization.

2572797971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3889620, while the sum is 56.

The square root of 2572797971 is about 50722.7559483907. The cubic root of 2572797971 is about 1370.2565756331.

The spelling of 2572797971 in words is "two billion, five hundred seventy-two million, seven hundred ninety-seven thousand, nine hundred seventy-one".