7658225 has 6 divisors (see below), whose sum is σ = 9496230. Its totient is φ = 6126560.

The previous prime is 7658213. The next prime is 7658237. The reversal of 7658225 is 5228567.

It is an interprime number because it is at equal distance from previous prime (7658213) and next prime (7658237).

It can be written as a sum of positive squares in 3 ways, for example, as 1936 + 7656289 = 44^2 + 2767^2 .

It is not a de Polignac number, because 7658225 - 2²⁰ = 6609649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153140 + ... + 153189.

It is an arithmetic number, because the mean of its divisors is an integer number (1582705).

Almost surely, 2^7658225 is an apocalyptic number.

It is an amenable number.

7658225 is a deficient number, since it is larger than the sum of its proper divisors (1838005).

7658225 is a wasteful number, since it uses less digits than its factorization.

7658225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306339 (or 306334 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 7658225 is about 2767.3498152565. The cubic root of 7658225 is about 197.1103249697.

The spelling of 7658225 in words is "seven million, six hundred fifty-eight thousand, two hundred twenty-five".