2517139 has 8 divisors (see below), whose sum is σ = 2805840. Its totient is φ = 2244096.

The previous prime is 2517133. The next prime is 2517149. The reversal of 2517139 is 9317152.

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 2517139 - 2³ = 2517131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2517131) 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, 3574 + ... + 4219.

It is an arithmetic number, because the mean of its divisors is an integer number (350730).

2^2517139 is an apocalyptic number.

2517139 is a deficient number, since it is larger than the sum of its proper divisors (288701).

2517139 is a wasteful number, since it uses less digits than its factorization.

2517139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829.

The product of its digits is 1890, while the sum is 28.

The square root of 2517139 is about 1586.5494004285. The cubic root of 2517139 is about 136.0303241204.

The spelling of 2517139 in words is "two million, five hundred seventeen thousand, one hundred thirty-nine".