2487431 has 2 divisors, whose sum is σ = 2487432. Its totient is φ = 2487430.

The previous prime is 2487413. The next prime is 2487439. The reversal of 2487431 is 1347842.

Together with previous prime (2487413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2487431 - 2⁶ = 2487367 is a prime.

It is a super-2 number, since 2×2487431² = 12374625959522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2487394 and 2487403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2487439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243715 + 1243716.

It is an arithmetic number, because the mean of its divisors is an integer number (1243716).

2^2487431 is an apocalyptic number.

2487431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487431 is an equidigital number, since it uses as much as digits as its factorization.

2487431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 2487431 is about 1577.1591549365. The cubic root of 2487431 is about 135.4930484853.

The spelling of 2487431 in words is "two million, four hundred eighty-seven thousand, four hundred thirty-one".