2430253 has 6 divisors (see below), whose sum is σ = 2827086. Its totient is φ = 2083032.

The previous prime is 2430251. The next prime is 2430257. The reversal of 2430253 is 3520342.

It can be written as a sum of positive squares in only one way, i.e., 1483524 + 946729 = 1218^2 + 973^2 .

It is not a de Polignac number, because 2430253 - 2¹ = 2430251 is a prime.

It is a super-2 number, since 2×2430253² = 11812259288018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2430253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24750 + ... + 24847.

It is an arithmetic number, because the mean of its divisors is an integer number (471181).

2^2430253 is an apocalyptic number.

It is an amenable number.

2430253 is a deficient number, since it is larger than the sum of its proper divisors (396833).

2430253 is an equidigital number, since it uses as much as digits as its factorization.

2430253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49611 (or 49604 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2430253 is about 1558.9268744877. The cubic root of 2430253 is about 134.4468080595.

Adding to 2430253 its reverse (3520342), we get a palindrome (5950595).

The spelling of 2430253 in words is "two million, four hundred thirty thousand, two hundred fifty-three".