2651822531 has 2 divisors, whose sum is σ = 2651822532. Its totient is φ = 2651822530.

The previous prime is 2651822489. The next prime is 2651822543. The reversal of 2651822531 is 1352281562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2651822531 - 2¹⁴ = 2651806147 is a prime.

It is a super-2 number, since 2×2651822531² = 14064325471838491922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2651822491 and 2651822500.

It is not a weakly prime, because it can be changed into another prime (2651822731) 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, 1325911265 + 1325911266.

It is an arithmetic number, because the mean of its divisors is an integer number (1325911266).

Almost surely, 2^2651822531 is an apocalyptic number.

2651822531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651822531 is an equidigital number, since it uses as much as digits as its factorization.

2651822531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 2651822531 is about 51495.8496482969. The cubic root of 2651822531 is about 1384.1446722687.

The spelling of 2651822531 in words is "two billion, six hundred fifty-one million, eight hundred twenty-two thousand, five hundred thirty-one".