2517398342 has 8 divisors (see below), whose sum is σ = 3779298432. Its totient is φ = 1257632200.

The previous prime is 2517398339. The next prime is 2517398347. The reversal of 2517398342 is 2438937152.

It is a happy number.

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

It is a super-3 number, since 3×2517398342³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2517398293 and 2517398302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517398347) 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, 530534 + ... + 535257.

It is an arithmetic number, because the mean of its divisors is an integer number (472412304).

Almost surely, 2^2517398342 is an apocalyptic number.

2517398342 is a deficient number, since it is larger than the sum of its proper divisors (1261900090).

2517398342 is a wasteful number, since it uses less digits than its factorization.

2517398342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066974.

The product of its digits is 362880, while the sum is 44.

The square root of 2517398342 is about 50173.6817664401. The cubic root of 2517398342 is about 1360.3499571582.

The spelling of 2517398342 in words is "two billion, five hundred seventeen million, three hundred ninety-eight thousand, three hundred forty-two".