2523001 has 6 divisors (see below), whose sum is σ = 2732190. Its totient is φ = 2328768.

The previous prime is 2522999. The next prime is 2523011. The reversal of 2523001 is 1003252.

It can be written as a sum of positive squares in 3 ways, for example, as 104976 + 2418025 = 324^2 + 1555^2 .

It is not a de Polignac number, because 2523001 - 2¹ = 2522999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7296 + ... + 7633.

It is an arithmetic number, because the mean of its divisors is an integer number (455365).

2^2523001 is an apocalyptic number.

It is an amenable number.

2523001 is a deficient number, since it is larger than the sum of its proper divisors (209189).

2523001 is a wasteful number, since it uses less digits than its factorization.

2523001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14955 (or 14942 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2523001 is about 1588.3957315480. The cubic root of 2523001 is about 136.1358396214.

Adding to 2523001 its reverse (1003252), we get a palindrome (3526253).

The spelling of 2523001 in words is "two million, five hundred twenty-three thousand, one".