2572643551 has 2 divisors, whose sum is σ = 2572643552. Its totient is φ = 2572643550.

The previous prime is 2572643533. The next prime is 2572643581. The reversal of 2572643551 is 1553462752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2572643551 - 2⁵ = 2572643519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2572643581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286321775 + 1286321776.

It is an arithmetic number, because the mean of its divisors is an integer number (1286321776).

Almost surely, 2^2572643551 is an apocalyptic number.

2572643551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572643551 is an equidigital number, since it uses as much as digits as its factorization.

2572643551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 40.

The square root of 2572643551 is about 50721.2337290804. The cubic root of 2572643551 is about 1370.2291606999.

The spelling of 2572643551 in words is "two billion, five hundred seventy-two million, six hundred forty-three thousand, five hundred fifty-one".