2540597 has 2 divisors, whose sum is σ = 2540598. Its totient is φ = 2540596.

The previous prime is 2540591. The next prime is 2540609. The reversal of 2540597 is 7950452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 707281 = 1354^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540597 - 2⁴ = 2540581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270298 + 1270299.

It is an arithmetic number, because the mean of its divisors is an integer number (1270299).

2^2540597 is an apocalyptic number.

It is an amenable number.

2540597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540597 is an equidigital number, since it uses as much as digits as its factorization.

2540597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2540597 is about 1593.9250296046. The cubic root of 2540597 is about 136.4515877999.

The spelling of 2540597 in words is "two million, five hundred forty thousand, five hundred ninety-seven".