7625861 has 4 divisors (see below), whose sum is σ = 7633932. Its totient is φ = 7617792.

The previous prime is 7625851. The next prime is 7625867. The reversal of 7625861 is 1685267.

7625861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5085025 + 2540836 = 2255^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 7625861 - 2¹⁸ = 7363717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7625867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (1908483).

Almost surely, 2^7625861 is an apocalyptic number.

It is an amenable number.

7625861 is a deficient number, since it is larger than the sum of its proper divisors (8071).

7625861 is a wasteful number, since it uses less digits than its factorization.

7625861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070.

The product of its digits is 20160, while the sum is 35.

The square root of 7625861 is about 2761.4961524507. The cubic root of 7625861 is about 196.8322672349.

The spelling of 7625861 in words is "seven million, six hundred twenty-five thousand, eight hundred sixty-one".