15741431 has 2 divisors, whose sum is σ = 15741432. Its totient is φ = 15741430.

The previous prime is 15741379. The next prime is 15741433. The reversal of 15741431 is 13414751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15741431 - 2¹⁸ = 15479287 is a prime.

It is a super-2 number, since 2×15741431² = 495585299855522, which contains 22 as substring.

Together with 15741433, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15741431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15741433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7870715 + 7870716.

It is an arithmetic number, because the mean of its divisors is an integer number (7870716).

Almost surely, 2^15741431 is an apocalyptic number.

15741431 is a deficient number, since it is larger than the sum of its proper divisors (1).

15741431 is an equidigital number, since it uses as much as digits as its factorization.

15741431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 15741431 is about 3967.5472271921. The cubic root of 15741431 is about 250.6194292952.

The spelling of 15741431 in words is "fifteen million, seven hundred forty-one thousand, four hundred thirty-one".