2500425 has 18 divisors (see below), whose sum is σ = 4478942. Its totient is φ = 1333440.

The previous prime is 2500417. The next prime is 2500439. The reversal of 2500425 is 5240052.

It can be written as a sum of positive squares in 3 ways, for example, as 29241 + 2471184 = 171^2 + 1572^2 .

It is not a de Polignac number, because 2500425 - 2³ = 2500417 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 = 2500398 and 2500407.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5332 + ... + 5781.

2^2500425 is an apocalyptic number.

2500425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2500425 is a deficient number, since it is larger than the sum of its proper divisors (1978517).

2500425 is a wasteful number, since it uses less digits than its factorization.

2500425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11129 (or 11121 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2500425 is about 1581.2732211734. The cubic root of 2500425 is about 135.7285712439.

Adding to 2500425 its reverse (5240052), we get a palindrome (7740477).

It can be divided in two parts, 250042 and 5, that added together give a cube (250047 = 63³).

The spelling of 2500425 in words is "two million, five hundred thousand, four hundred twenty-five".