2501625 has 32 divisors (see below), whose sum is σ = 4762368. Its totient is φ = 1142400.

The previous prime is 2501623. The next prime is 2501647. The reversal of 2501625 is 5261052.

It is not a de Polignac number, because 2501625 - 2¹ = 2501623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2501623) 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 31 ways as a sum of consecutive naturals, for example, 2149 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (148824).

2^2501625 is an apocalyptic number.

2501625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2501625 is a deficient number, since it is larger than the sum of its proper divisors (2260743).

2501625 is an equidigital number, since it uses as much as digits as its factorization.

2501625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2501625 is about 1581.6526167272. The cubic root of 2501625 is about 135.7502806516.

Adding to 2501625 its reverse (5261052), we get a palindrome (7762677).

The spelling of 2501625 in words is "two million, five hundred one thousand, six hundred twenty-five".