2517125979 has 8 divisors (see below), whose sum is σ = 3419492112. Its totient is φ = 1646421920.

The previous prime is 2517125969. The next prime is 2517125981. The reversal of 2517125979 is 9795217152.

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 not a de Polignac number, because 2517125979 - 2¹² = 2517121883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2517125969) 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, 7915332 + ... + 7915649.

It is an arithmetic number, because the mean of its divisors is an integer number (427436514).

Almost surely, 2^2517125979 is an apocalyptic number.

2517125979 is a deficient number, since it is larger than the sum of its proper divisors (902366133).

2517125979 is a wasteful number, since it uses less digits than its factorization.

2517125979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15831037.

The product of its digits is 396900, while the sum is 48.

The square root of 2517125979 is about 50170.9674911696. The cubic root of 2517125979 is about 1360.3008956129.

The spelling of 2517125979 in words is "two billion, five hundred seventeen million, one hundred twenty-five thousand, nine hundred seventy-nine".