2572702261 has 2 divisors, whose sum is σ = 2572702262. Its totient is φ = 2572702260.

The previous prime is 2572702207. The next prime is 2572702271. The reversal of 2572702261 is 1622072752.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1482712036 + 1089990225 = 38506^2 + 33015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2572702261 - 2²¹ = 2570605109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2572702271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286351130 + 1286351131.

It is an arithmetic number, because the mean of its divisors is an integer number (1286351131).

Almost surely, 2^2572702261 is an apocalyptic number.

It is an amenable number.

2572702261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572702261 is an equidigital number, since it uses as much as digits as its factorization.

2572702261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2572702261 is about 50721.8124774736. The cubic root of 2572702261 is about 1370.2395839008.

The spelling of 2572702261 in words is "two billion, five hundred seventy-two million, seven hundred two thousand, two hundred sixty-one".