2517557852 has 6 divisors (see below), whose sum is σ = 4405726248. Its totient is φ = 1258778924.

The previous prime is 2517557839. The next prime is 2517557873. The reversal of 2517557852 is 2587557152.

It is a junction number, because it is equal to n+sod(n) for n = 2517557797 and 2517557806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314694728 + ... + 314694735.

It is an arithmetic number, because the mean of its divisors is an integer number (734287708).

Almost surely, 2^2517557852 is an apocalyptic number.

It is an amenable number.

2517557852 is a deficient number, since it is larger than the sum of its proper divisors (1888168396).

2517557852 is a wasteful number, since it uses less digits than its factorization.

2517557852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629389467 (or 629389465 counting only the distinct ones).

The product of its digits is 980000, while the sum is 47.

The square root of 2517557852 is about 50175.2713196451. The cubic root of 2517557852 is about 1360.3786885188.

The spelling of 2517557852 in words is "two billion, five hundred seventeen million, five hundred fifty-seven thousand, eight hundred fifty-two".