2530625 has 10 divisors (see below), whose sum is σ = 3163050. Its totient is φ = 2024000.

The previous prime is 2530597. The next prime is 2530663. The reversal of 2530625 is 5260352.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 1329409 + 1201216 = 1153^2 + 1096^2 .

It is not a de Polignac number, because 2530625 - 2¹⁰ = 2529601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2530625.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1400 + ... + 2649.

It is an arithmetic number, because the mean of its divisors is an integer number (316305).

2^2530625 is an apocalyptic number.

2530625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2530625 is a deficient number, since it is larger than the sum of its proper divisors (632425).

2530625 is an frugal number, since it uses more digits than its factorization.

2530625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2530625 is about 1590.7938269933. The cubic root of 2530625 is about 136.2728267453.

Adding to 2530625 its reverse (5260352), we get a palindrome (7790977).

It can be divided in two parts, 25 and 30625, that multiplied together give a square (765625 = 875²).

The spelling of 2530625 in words is "two million, five hundred thirty thousand, six hundred twenty-five".