2530925 has 12 divisors (see below), whose sum is σ = 3187296. Its totient is φ = 1993200.

The previous prime is 2530921. The next prime is 2530961. The reversal of 2530925 is 5290352.

It is not a de Polignac number, because 2530925 - 2² = 2530921 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2530894 and 2530903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 920 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (265608).

2^2530925 is an apocalyptic number.

2530925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2530925 is a deficient number, since it is larger than the sum of its proper divisors (656371).

2530925 is a wasteful number, since it uses less digits than its factorization.

2530925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 2530925 is about 1590.8881167449. Note that the first 3 decimals coincide. The cubic root of 2530925 is about 136.2782114800.

The spelling of 2530925 in words is "two million, five hundred thirty thousand, nine hundred twenty-five".