2540354507 has 2 divisors, whose sum is σ = 2540354508. Its totient is φ = 2540354506.

The previous prime is 2540354483. The next prime is 2540354527. The reversal of 2540354507 is 7054530452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2540354507 - 2¹² = 2540350411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2540354527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270177253 + 1270177254.

It is an arithmetic number, because the mean of its divisors is an integer number (1270177254).

Almost surely, 2^2540354507 is an apocalyptic number.

2540354507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540354507 is an equidigital number, since it uses as much as digits as its factorization.

2540354507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 2540354507 is about 50401.9295959986. The cubic root of 2540354507 is about 1364.4724635207.

Adding to 2540354507 its reverse (7054530452), we get a palindrome (9594884959).

The spelling of 2540354507 in words is "two billion, five hundred forty million, three hundred fifty-four thousand, five hundred seven".