2522437 has 4 divisors (see below), whose sum is σ = 2531340. Its totient is φ = 2513536.

The previous prime is 2522431. The next prime is 2522441. The reversal of 2522437 is 7342252.

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 1602756 + 919681 = 1266^2 + 959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2522437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522431) 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, 4012 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (632835).

2^2522437 is an apocalyptic number.

It is an amenable number.

2522437 is a deficient number, since it is larger than the sum of its proper divisors (8903).

2522437 is an equidigital number, since it uses as much as digits as its factorization.

2522437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8902.

The product of its digits is 3360, while the sum is 25.

The square root of 2522437 is about 1588.2181840037. The cubic root of 2522437 is about 136.1256947799.

Adding to 2522437 its reverse (7342252), we get a palindrome (9864689).

The spelling of 2522437 in words is "two million, five hundred twenty-two thousand, four hundred thirty-seven".