2097554831 has 2 divisors, whose sum is σ = 2097554832. Its totient is φ = 2097554830.

The previous prime is 2097554821. The next prime is 2097554861. The reversal of 2097554831 is 1384557902.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2097554831 is a prime.

It is a super-2 number, since 2×2097554831² = 8799472538102877122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2097554821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048777415 + 1048777416.

It is an arithmetic number, because the mean of its divisors is an integer number (1048777416).

Almost surely, 2^2097554831 is an apocalyptic number.

2097554831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097554831 is an equidigital number, since it uses as much as digits as its factorization.

2097554831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 2097554831 is about 45799.0701979855. The cubic root of 2097554831 is about 1280.0819509298.

The spelling of 2097554831 in words is "two billion, ninety-seven million, five hundred fifty-four thousand, eight hundred thirty-one".