1427574431 has 2 divisors, whose sum is σ = 1427574432. Its totient is φ = 1427574430.

The previous prime is 1427574409. The next prime is 1427574437. The reversal of 1427574431 is 1344757241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427574431 is a prime.

It is a super-2 number, since 2×1427574431² = 4075937512089947522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427574437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713787215 + 713787216.

It is an arithmetic number, because the mean of its divisors is an integer number (713787216).

Almost surely, 2^1427574431 is an apocalyptic number.

1427574431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427574431 is an equidigital number, since it uses as much as digits as its factorization.

1427574431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 1427574431 is about 37783.2559608089. The cubic root of 1427574431 is about 1125.9858173093.

The spelling of 1427574431 in words is "one billion, four hundred twenty-seven million, five hundred seventy-four thousand, four hundred thirty-one".