2457725 has 12 divisors (see below), whose sum is σ = 3131124. Its totient is φ = 1912320.

The previous prime is 2457709. The next prime is 2457727. The reversal of 2457725 is 5277542.

It can be written as a sum of positive squares in 6 ways, for example, as 64516 + 2393209 = 254^2 + 1547^2 .

It is not a de Polignac number, because 2457725 - 2⁴ = 2457709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2457691 and 2457700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404 + ... + 2253.

It is an arithmetic number, because the mean of its divisors is an integer number (260927).

2^2457725 is an apocalyptic number.

2457725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2457725 is a deficient number, since it is larger than the sum of its proper divisors (673399).

2457725 is a wasteful number, since it uses less digits than its factorization.

2457725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2699 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 2457725 is about 1567.7133028714. The cubic root of 2457725 is about 134.9515143670.

The spelling of 2457725 in words is "two million, four hundred fifty-seven thousand, seven hundred twenty-five".