7125355 has 4 divisors (see below), whose sum is σ = 8550432. Its totient is φ = 5700280.

The previous prime is 7125353. The next prime is 7125359. The reversal of 7125355 is 5535217.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7125355 - 2¹ = 7125353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7125353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712531 + ... + 712540.

It is an arithmetic number, because the mean of its divisors is an integer number (2137608).

Almost surely, 2^7125355 is an apocalyptic number.

7125355 is a deficient number, since it is larger than the sum of its proper divisors (1425077).

7125355 is a wasteful number, since it uses less digits than its factorization.

7125355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425076.

The product of its digits is 5250, while the sum is 28.

The square root of 7125355 is about 2669.3360597722. The cubic root of 7125355 is about 192.4282523421.

The spelling of 7125355 in words is "seven million, one hundred twenty-five thousand, three hundred fifty-five".