2897522731 has 2 divisors, whose sum is σ = 2897522732. Its totient is φ = 2897522730.

The previous prime is 2897522717. The next prime is 2897522741. The reversal of 2897522731 is 1372257982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2897522731 - 2²¹ = 2895425579 is a prime.

It is a super-2 number, since 2×2897522731² = 16791275953323396722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2897522701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448761365 + 1448761366.

It is an arithmetic number, because the mean of its divisors is an integer number (1448761366).

Almost surely, 2^2897522731 is an apocalyptic number.

2897522731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897522731 is an equidigital number, since it uses as much as digits as its factorization.

2897522731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 2897522731 is about 53828.6422919992. The cubic root of 2897522731 is about 1425.6369748585.

The spelling of 2897522731 in words is "two billion, eight hundred ninety-seven million, five hundred twenty-two thousand, seven hundred thirty-one".