7485125279 has 4 divisors (see below), whose sum is σ = 7925426784. Its totient is φ = 7044823776.

The previous prime is 7485125261. The next prime is 7485125281. The reversal of 7485125279 is 9725215847.

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

It is a cyclic number.

It is not a de Polignac number, because 7485125279 - 2⁸ = 7485125023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7485125209) 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, 220150727 + ... + 220150760.

It is an arithmetic number, because the mean of its divisors is an integer number (1981356696).

Almost surely, 2^7485125279 is an apocalyptic number.

7485125279 is a deficient number, since it is larger than the sum of its proper divisors (440301505).

7485125279 is a wasteful number, since it uses less digits than its factorization.

7485125279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440301504.

The product of its digits is 1411200, while the sum is 50.

The square root of 7485125279 is about 86516.6185134394. The cubic root of 7485125279 is about 1956.1389071653.

The spelling of 7485125279 in words is "seven billion, four hundred eighty-five million, one hundred twenty-five thousand, two hundred seventy-nine".