2523501 has 8 divisors (see below), whose sum is σ = 3738560. Its totient is φ = 1682316.

The previous prime is 2523487. The next prime is 2523503. The reversal of 2523501 is 1053252.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2523501 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 (2523503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46705 + ... + 46758.

It is an arithmetic number, because the mean of its divisors is an integer number (467320).

2^2523501 is an apocalyptic number.

It is an amenable number.

2523501 is a deficient number, since it is larger than the sum of its proper divisors (1215059).

2523501 is an equidigital number, since it uses as much as digits as its factorization.

2523501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93472 (or 93466 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2523501 is about 1588.5531152593. The cubic root of 2523501 is about 136.1448320110.

Adding to 2523501 its reverse (1053252), we get a palindrome (3576753).

The spelling of 2523501 in words is "two million, five hundred twenty-three thousand, five hundred one".