7138625 has 32 divisors (see below), whose sum is σ = 10063872. Its totient is φ = 5016000.

The previous prime is 7138619. The next prime is 7138631. The reversal of 7138625 is 5268317.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7138619) and next prime (7138631).

It is not a de Polignac number, because 7138625 - 2⁶ = 7138561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7138591 and 7138600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37280 + ... + 37470.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

Almost surely, 2^7138625 is an apocalyptic number.

It is an amenable number.

7138625 is a deficient number, since it is larger than the sum of its proper divisors (2925247).

7138625 is a wasteful number, since it uses less digits than its factorization.

7138625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 232 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 7138625 is about 2671.8205403807. The cubic root of 7138625 is about 192.5476353694.

The spelling of 7138625 in words is "seven million, one hundred thirty-eight thousand, six hundred twenty-five".