2523961 has 8 divisors (see below), whose sum is σ = 2800800. Its totient is φ = 2255040.

The previous prime is 2523959. The next prime is 2523967. The reversal of 2523961 is 1693252.

2523961 = 474² + 475² + ... + 484².

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

It is a cyclic number.

It is not a de Polignac number, because 2523961 - 2¹ = 2523959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523967) 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, 1296 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (350100).

2^2523961 is an apocalyptic number.

It is an amenable number.

2523961 is a deficient number, since it is larger than the sum of its proper divisors (276839).

2523961 is a wasteful number, since it uses less digits than its factorization.

2523961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959.

The product of its digits is 3240, while the sum is 28.

The square root of 2523961 is about 1588.6978945035. The cubic root of 2523961 is about 136.1531039604.

The spelling of 2523961 in words is "two million, five hundred twenty-three thousand, nine hundred sixty-one".