2530251 has 16 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1631880.

The previous prime is 2530247. The next prime is 2530261. The reversal of 2530251 is 1520352.

It is a happy number.

It is not a de Polignac number, because 2530251 - 2² = 2530247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530201) 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 15 ways as a sum of consecutive naturals, for example, 675 + ... + 2348.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

2^2530251 is an apocalyptic number.

2530251 is a deficient number, since it is larger than the sum of its proper divisors (1340469).

2530251 is a wasteful number, since it uses less digits than its factorization.

2530251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2530251 is about 1590.6762712758. The cubic root of 2530251 is about 136.2661131801.

It can be divided in two parts, 25 and 30251, that added together give a square (30276 = 174²).

The spelling of 2530251 in words is "two million, five hundred thirty thousand, two hundred fifty-one".