2504925 has 30 divisors (see below), whose sum is σ = 4643738. Its totient is φ = 1334880.

The previous prime is 2504923. The next prime is 2504927. The reversal of 2504925 is 5294052.

It is an interprime number because it is at equal distance from previous prime (2504923) and next prime (2504927).

It can be written as a sum of positive squares in 3 ways, for example, as 352836 + 2152089 = 594^2 + 1467^2 .

It is not a de Polignac number, because 2504925 - 2¹ = 2504923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504923) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1407 + ... + 2643.

2^2504925 is an apocalyptic number.

2504925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2504925 is a deficient number, since it is larger than the sum of its proper divisors (2138813).

2504925 is a wasteful number, since it uses less digits than its factorization.

2504925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2504925 is about 1582.6954855562. The cubic root of 2504925 is about 135.8099457478.

Adding to 2504925 its reverse (5294052), we get a palindrome (7798977).

The spelling of 2504925 in words is "two million, five hundred four thousand, nine hundred twenty-five".