7525121 has 8 divisors (see below), whose sum is σ = 7946400. Its totient is φ = 7106400.

The previous prime is 7525109. The next prime is 7525127. The reversal of 7525121 is 1215257.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7525121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7525127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11090 + ... + 11748.

It is an arithmetic number, because the mean of its divisors is an integer number (993300).

Almost surely, 2^7525121 is an apocalyptic number.

It is an amenable number.

7525121 is a deficient number, since it is larger than the sum of its proper divisors (421279).

7525121 is a wasteful number, since it uses less digits than its factorization.

7525121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its digits is 700, while the sum is 23.

The square root of 7525121 is about 2743.1953995295. The cubic root of 7525121 is about 195.9616838192.

The spelling of 7525121 in words is "seven million, five hundred twenty-five thousand, one hundred twenty-one".