2625961 has 4 divisors (see below), whose sum is σ = 2827972. Its totient is φ = 2423952.

The previous prime is 2625949. The next prime is 2625977. The reversal of 2625961 is 1695262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1038361 + 1587600 = 1019^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625961 - 2⁵ = 2625929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2625901) 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, 100986 + ... + 101011.

It is an arithmetic number, because the mean of its divisors is an integer number (706993).

2^2625961 is an apocalyptic number.

It is an amenable number.

2625961 is a deficient number, since it is larger than the sum of its proper divisors (202011).

2625961 is a wasteful number, since it uses less digits than its factorization.

2625961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202010.

The product of its digits is 6480, while the sum is 31.

The square root of 2625961 is about 1620.4817185022. The cubic root of 2625961 is about 137.9630405819.

The spelling of 2625961 in words is "two million, six hundred twenty-five thousand, nine hundred sixty-one".