2500697 has 4 divisors (see below), whose sum is σ = 2524176. Its totient is φ = 2477220.

The previous prime is 2500679. The next prime is 2500709. The reversal of 2500697 is 7960052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2500697 - 2⁸ = 2500441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11579 + ... + 11792.

It is an arithmetic number, because the mean of its divisors is an integer number (631044).

2^2500697 is an apocalyptic number.

It is an amenable number.

2500697 is a deficient number, since it is larger than the sum of its proper divisors (23479).

2500697 is a wasteful number, since it uses less digits than its factorization.

2500697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23478.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 2500697 is about 1581.3592254766. The cubic root of 2500697 is about 135.7334926516.

The spelling of 2500697 in words is "two million, five hundred thousand, six hundred ninety-seven".