2858172425 has 6 divisors (see below), whose sum is σ = 3544133838. Its totient is φ = 2286537920.

The previous prime is 2858172419. The next prime is 2858172439. The reversal of 2858172425 is 5242718582.

It can be written as a sum of positive squares in 3 ways, for example, as 746218489 + 2111953936 = 27317^2 + 45956^2 .

It is not a de Polignac number, because 2858172425 - 2¹⁰ = 2858171401 is a prime.

It is a super-2 number, since 2×2858172425² = 16338299222060761250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57163424 + ... + 57163473.

It is an arithmetic number, because the mean of its divisors is an integer number (590688973).

Almost surely, 2^2858172425 is an apocalyptic number.

2858172425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2858172425 is a deficient number, since it is larger than the sum of its proper divisors (685961413).

2858172425 is a wasteful number, since it uses less digits than its factorization.

2858172425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114326907 (or 114326902 counting only the distinct ones).

The product of its digits is 358400, while the sum is 44.

The square root of 2858172425 is about 53461.8782404809. The cubic root of 2858172425 is about 1419.1538344678.

The spelling of 2858172425 in words is "two billion, eight hundred fifty-eight million, one hundred seventy-two thousand, four hundred twenty-five".