2523601 has 4 divisors (see below), whose sum is σ = 2534400. Its totient is φ = 2512804.

The previous prime is 2523593. The next prime is 2523641. The reversal of 2523601 is 1063252.

It is a happy number.

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 2523601 - 2³ = 2523593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523641) 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, 5041 + ... + 5518.

It is an arithmetic number, because the mean of its divisors is an integer number (633600).

2^2523601 is an apocalyptic number.

It is an amenable number.

2523601 is a deficient number, since it is larger than the sum of its proper divisors (10799).

2523601 is a wasteful number, since it uses less digits than its factorization.

2523601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10798.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2523601 is about 1588.5845901305. The cubic root of 2523601 is about 136.1466303464.

Adding to 2523601 its reverse (1063252), we get a palindrome (3586853).

The spelling of 2523601 in words is "two million, five hundred twenty-three thousand, six hundred one".