2523651 has 8 divisors (see below), whose sum is σ = 3623760. Its totient is φ = 1552992.

The previous prime is 2523643. The next prime is 2523671. The reversal of 2523651 is 1563252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2523651 - 2³ = 2523643 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2523641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32316 + ... + 32393.

It is an arithmetic number, because the mean of its divisors is an integer number (452970).

2^2523651 is an apocalyptic number.

2523651 is a deficient number, since it is larger than the sum of its proper divisors (1100109).

2523651 is a wasteful number, since it uses less digits than its factorization.

2523651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64725.

The product of its digits is 1800, while the sum is 24.

The square root of 2523651 is about 1588.6003273322. The cubic root of 2523651 is about 136.1475294963.

The spelling of 2523651 in words is "two million, five hundred twenty-three thousand, six hundred fifty-one".