7122525 has 24 divisors (see below), whose sum is σ = 12290880. Its totient is φ = 3632640.

The previous prime is 7122517. The next prime is 7122551. The reversal of 7122525 is 5252217.

It is not a de Polignac number, because 7122525 - 2³ = 7122517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7122495 and 7122504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340 + ... + 3789.

It is an arithmetic number, because the mean of its divisors is an integer number (512120).

Almost surely, 2^7122525 is an apocalyptic number.

7122525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7122525 is a deficient number, since it is larger than the sum of its proper divisors (5168355).

7122525 is a wasteful number, since it uses less digits than its factorization.

7122525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165 (or 4160 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 7122525 is about 2668.8059127632. The cubic root of 7122525 is about 192.4027731874.

The spelling of 7122525 in words is "seven million, one hundred twenty-two thousand, five hundred twenty-five".