2523541 has 4 divisors (see below), whose sum is σ = 2582272. Its totient is φ = 2464812.

The previous prime is 2523539. The next prime is 2523557. The reversal of 2523541 is 1453252.

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 2523541 - 2¹ = 2523539 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 (2523581) 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, 29301 + ... + 29386.

It is an arithmetic number, because the mean of its divisors is an integer number (645568).

2^2523541 is an apocalyptic number.

It is an amenable number.

2523541 is a deficient number, since it is larger than the sum of its proper divisors (58731).

2523541 is an equidigital number, since it uses as much as digits as its factorization.

2523541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58730.

The product of its digits is 1200, while the sum is 22.

The square root of 2523541 is about 1588.5657052826. The cubic root of 2523541 is about 136.1455513509.

Adding to 2523541 its reverse (1453252), we get a palindrome (3976793).

The spelling of 2523541 in words is "two million, five hundred twenty-three thousand, five hundred forty-one".