2508453 has 6 divisors (see below), whose sum is σ = 3623334. Its totient is φ = 1672296.

The previous prime is 2508433. The next prime is 2508481. The reversal of 2508453 is 3548052.

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 338724 = 1473^2 + 582^2 .

It is not a de Polignac number, because 2508453 - 2¹⁴ = 2492069 is a prime.

2508453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508433) 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, 139350 + ... + 139367.

It is an arithmetic number, because the mean of its divisors is an integer number (603889).

2^2508453 is an apocalyptic number.

It is an amenable number.

2508453 is a deficient number, since it is larger than the sum of its proper divisors (1114881).

2508453 is a wasteful number, since it uses less digits than its factorization.

2508453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278723 (or 278720 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2508453 is about 1583.8096476534. The cubic root of 2508453 is about 135.8736752302.

The spelling of 2508453 in words is "two million, five hundred eight thousand, four hundred fifty-three".