1258284431 has 2 divisors, whose sum is σ = 1258284432. Its totient is φ = 1258284430.

The previous prime is 1258284421. The next prime is 1258284439. The reversal of 1258284431 is 1344828521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1258284431 - 2¹⁴ = 1258268047 is a prime.

It is a super-2 number, since 2×1258284431² = 3166559418593987522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1258284439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629142215 + 629142216.

It is an arithmetic number, because the mean of its divisors is an integer number (629142216).

Almost surely, 2^1258284431 is an apocalyptic number.

1258284431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258284431 is an equidigital number, since it uses as much as digits as its factorization.

1258284431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 38.

The square root of 1258284431 is about 35472.3051266759. The cubic root of 1258284431 is about 1079.5918756847.

The spelling of 1258284431 in words is "one billion, two hundred fifty-eight million, two hundred eighty-four thousand, four hundred thirty-one".