2625091 has 16 divisors (see below), whose sum is σ = 3133440. Its totient is φ = 2152800.

The previous prime is 2625079. The next prime is 2625137. The reversal of 2625091 is 1905262.

It is a cyclic number.

It is not a de Polignac number, because 2625091 - 2¹⁹ = 2100803 is a prime.

It is a super-2 number, since 2×2625091² = 13782205516562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2625001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25941 + ... + 26041.

It is an arithmetic number, because the mean of its divisors is an integer number (195840).

2^2625091 is an apocalyptic number.

2625091 is a deficient number, since it is larger than the sum of its proper divisors (508349).

2625091 is a wasteful number, since it uses less digits than its factorization.

2625091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2625091 is about 1620.2132575683. The cubic root of 2625091 is about 137.9478028457.

The spelling of 2625091 in words is "two million, six hundred twenty-five thousand, ninety-one".