2252431 has 4 divisors (see below), whose sum is σ = 2371000. Its totient is φ = 2133864.

The previous prime is 2252407. The next prime is 2252441. The reversal of 2252431 is 1342522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342522 = 2 ⋅671261.

It is a cyclic number.

It is not a de Polignac number, because 2252431 - 2⁵ = 2252399 is a prime.

It is a super-2 number, since 2×2252431² = 10146890819522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 118549 = 2252431 / (2 + 2 + 5 + 2 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2252399 and 2252408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252441) 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, 59256 + ... + 59293.

It is an arithmetic number, because the mean of its divisors is an integer number (592750).

2^2252431 is an apocalyptic number.

2252431 is a deficient number, since it is larger than the sum of its proper divisors (118569).

2252431 is a wasteful number, since it uses less digits than its factorization.

2252431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118568.

The product of its digits is 480, while the sum is 19.

The square root of 2252431 is about 1500.8101145715. The cubic root of 2252431 is about 131.0842454823.

Adding to 2252431 its reverse (1342522), we get a palindrome (3594953).

Subtracting from 2252431 its reverse (1342522), we obtain a palindrome (909909).

The spelling of 2252431 in words is "two million, two hundred fifty-two thousand, four hundred thirty-one".