2097523651 has 2 divisors, whose sum is σ = 2097523652. Its totient is φ = 2097523650.

The previous prime is 2097523591. The next prime is 2097523693. The reversal of 2097523651 is 1563257902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2097523651 - 2⁷ = 2097523523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2097563651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048761825 + 1048761826.

It is an arithmetic number, because the mean of its divisors is an integer number (1048761826).

Almost surely, 2^2097523651 is an apocalyptic number.

2097523651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097523651 is an equidigital number, since it uses as much as digits as its factorization.

2097523651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 2097523651 is about 45798.7297967968. The cubic root of 2097523651 is about 1280.0756081233.

The spelling of 2097523651 in words is "two billion, ninety-seven million, five hundred twenty-three thousand, six hundred fifty-one".