2542753 has 4 divisors (see below), whose sum is σ = 2549380. Its totient is φ = 2536128.

The previous prime is 2542739. The next prime is 2542759. The reversal of 2542753 is 3572452.

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 2122849 + 419904 = 1457^2 + 648^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542753 - 2¹³ = 2534561 is a prime.

It is a Duffinian number.

2542753 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542759) 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, 2700 + ... + 3517.

It is an arithmetic number, because the mean of its divisors is an integer number (637345).

2^2542753 is an apocalyptic number.

It is an amenable number.

2542753 is a deficient number, since it is larger than the sum of its proper divisors (6627).

2542753 is an equidigital number, since it uses as much as digits as its factorization.

2542753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626.

The product of its digits is 8400, while the sum is 28.

The square root of 2542753 is about 1594.6012040633. The cubic root of 2542753 is about 136.4901753765.

It can be divided in two parts, 25 and 42753, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 2542753 in words is "two million, five hundred forty-two thousand, seven hundred fifty-three".