2540365031 has 2 divisors, whose sum is σ = 2540365032. Its totient is φ = 2540365030.

The previous prime is 2540365021. The next prime is 2540365133. The reversal of 2540365031 is 1305630452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540365031 is a prime.

It is a super-2 number, since 2×2540365031² = 12906908981455261922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2540364985 and 2540365003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540365021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270182515 + 1270182516.

It is an arithmetic number, because the mean of its divisors is an integer number (1270182516).

Almost surely, 2^2540365031 is an apocalyptic number.

2540365031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540365031 is an equidigital number, since it uses as much as digits as its factorization.

2540365031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2540365031 is about 50402.0339966553. The cubic root of 2540365031 is about 1364.4743477312.

Adding to 2540365031 its reverse (1305630452), we get a palindrome (3845995483).

The spelling of 2540365031 in words is "two billion, five hundred forty million, three hundred sixty-five thousand, thirty-one".