2425121 has 4 divisors (see below), whose sum is σ = 2470932. Its totient is φ = 2379312.

The previous prime is 2425117. The next prime is 2425139. The reversal of 2425121 is 1215242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1079521 + 1345600 = 1039^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2425121 - 2² = 2425117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2425121.

It is not an unprimeable number, because it can be changed into a prime (2425021) 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, 22826 + ... + 22931.

It is an arithmetic number, because the mean of its divisors is an integer number (617733).

2^2425121 is an apocalyptic number.

It is an amenable number.

2425121 is a deficient number, since it is larger than the sum of its proper divisors (45811).

2425121 is an equidigital number, since it uses as much as digits as its factorization.

2425121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45810.

The product of its digits is 160, while the sum is 17.

The square root of 2425121 is about 1557.2800005137. The cubic root of 2425121 is about 134.3521036164.

The spelling of 2425121 in words is "two million, four hundred twenty-five thousand, one hundred twenty-one".