2457653 has 4 divisors (see below), whose sum is σ = 2681088. Its totient is φ = 2234220.

The previous prime is 2457647. The next prime is 2457667. The reversal of 2457653 is 3567542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2457653 - 2⁸ = 2457397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457613) 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, 111701 + ... + 111722.

It is an arithmetic number, because the mean of its divisors is an integer number (670272).

2^2457653 is an apocalyptic number.

It is an amenable number.

2457653 is a deficient number, since it is larger than the sum of its proper divisors (223435).

2457653 is a wasteful number, since it uses less digits than its factorization.

2457653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223434.

The product of its digits is 25200, while the sum is 32.

The square root of 2457653 is about 1567.6903393209. The cubic root of 2457653 is about 134.9501965353.

The spelling of 2457653 in words is "two million, four hundred fifty-seven thousand, six hundred fifty-three".