2523793 has 4 divisors (see below), whose sum is σ = 2531620. Its totient is φ = 2515968.

The previous prime is 2523791. The next prime is 2523821. The reversal of 2523793 is 3973252.

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 966289 + 1557504 = 983^2 + 1248^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523793 - 2¹ = 2523791 is a prime.

It is a super-2 number, since 2×2523793² = 12739062213698, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁷ + 2¹⁹ + 3⁷ + 7⁷ + 9⁶ + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523791) 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, 3408 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (632905).

2^2523793 is an apocalyptic number.

It is an amenable number.

2523793 is a deficient number, since it is larger than the sum of its proper divisors (7827).

2523793 is an equidigital number, since it uses as much as digits as its factorization.

2523793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826.

The product of its digits is 11340, while the sum is 31.

The square root of 2523793 is about 1588.6450201351. The cubic root of 2523793 is about 136.1500830171.

The spelling of 2523793 in words is "two million, five hundred twenty-three thousand, seven hundred ninety-three".