2558125 has 10 divisors (see below), whose sum is σ = 3197414. Its totient is φ = 2046000.

The previous prime is 2558093. The next prime is 2558131. The reversal of 2558125 is 5218552.

It can be written as a sum of positive squares in 5 ways, for example, as 1110916 + 1447209 = 1054^2 + 1203^2 .

It is not a de Polignac number, because 2558125 - 2⁵ = 2558093 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2558093 and 2558102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1422 + ... + 2671.

2^2558125 is an apocalyptic number.

2558125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2558125 is a deficient number, since it is larger than the sum of its proper divisors (639289).

2558125 is an frugal number, since it uses more digits than its factorization.

2558125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113 (or 4098 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 2558125 is about 1599.4139551723. The cubic root of 2558125 is about 136.7646696093.

The spelling of 2558125 in words is "two million, five hundred fifty-eight thousand, one hundred twenty-five".