2542020631 has 2 divisors, whose sum is σ = 2542020632. Its totient is φ = 2542020630.

The previous prime is 2542020617. The next prime is 2542020641. The reversal of 2542020631 is 1360202452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2542020631 - 2⁵ = 2542020599 is a prime.

It is a super-2 number, since 2×2542020631² = 12923737776859276322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2542020596 and 2542020605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542020641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271010315 + 1271010316.

It is an arithmetic number, because the mean of its divisors is an integer number (1271010316).

Almost surely, 2^2542020631 is an apocalyptic number.

2542020631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542020631 is an equidigital number, since it uses as much as digits as its factorization.

2542020631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2542020631 is about 50418.4552619376. The cubic root of 2542020631 is about 1364.7707005692.

The spelling of 2542020631 in words is "two billion, five hundred forty-two million, twenty thousand, six hundred thirty-one".