2625697 has 4 divisors (see below), whose sum is σ = 2651796. Its totient is φ = 2599600.

The previous prime is 2625691. The next prime is 2625761. The reversal of 2625697 is 7965262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7965262 = 2 ⋅3982631.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 1147041 = 1216^2 + 1071^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625697 - 2⁷ = 2625569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2625691) 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, 12898 + ... + 13099.

It is an arithmetic number, because the mean of its divisors is an integer number (662949).

2^2625697 is an apocalyptic number.

It is an amenable number.

2625697 is a deficient number, since it is larger than the sum of its proper divisors (26099).

2625697 is a wasteful number, since it uses less digits than its factorization.

2625697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26098.

The product of its digits is 45360, while the sum is 37.

The square root of 2625697 is about 1620.4002591952. The cubic root of 2625697 is about 137.9584170729.

The spelling of 2625697 in words is "two million, six hundred twenty-five thousand, six hundred ninety-seven".