2507697 has 12 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 1650168.

The previous prime is 2507693. The next prime is 2507707. The reversal of 2507697 is 7967052.

It is not a de Polignac number, because 2507697 - 2² = 2507693 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

2507697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2507693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1053 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

2^2507697 is an apocalyptic number.

It is an amenable number.

2507697 is a deficient number, since it is larger than the sum of its proper divisors (1161423).

2507697 is a wasteful number, since it uses less digits than its factorization.

2507697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3609 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 2507697 is about 1583.5709646239. The cubic root of 2507697 is about 135.8600239453.

The spelling of 2507697 in words is "two million, five hundred seven thousand, six hundred ninety-seven".