2502553 has 4 divisors (see below), whose sum is σ = 2649780. Its totient is φ = 2355328.

The previous prime is 2502551. The next prime is 2502559. The reversal of 2502553 is 3552052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 350464 = 1467^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502553 - 2¹ = 2502551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2502551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73588 + ... + 73621.

It is an arithmetic number, because the mean of its divisors is an integer number (662445).

2^2502553 is an apocalyptic number.

It is an amenable number.

2502553 is a deficient number, since it is larger than the sum of its proper divisors (147227).

2502553 is a wasteful number, since it uses less digits than its factorization.

2502553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147226.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 2502553 is about 1581.9459535648. The cubic root of 2502553 is about 135.7670645002.

The spelling of 2502553 in words is "two million, five hundred two thousand, five hundred fifty-three".