1431454897 has 2 divisors, whose sum is σ = 1431454898. Its totient is φ = 1431454896.

The previous prime is 1431454867. The next prime is 1431454903. The reversal of 1431454897 is 7984541341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 968516641 + 462938256 = 31121^2 + 21516^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431454897 - 2¹⁹ = 1430930609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431454807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715727448 + 715727449.

It is an arithmetic number, because the mean of its divisors is an integer number (715727449).

Almost surely, 2^1431454897 is an apocalyptic number.

It is an amenable number.

1431454897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431454897 is an equidigital number, since it uses as much as digits as its factorization.

1431454897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 1431454897 is about 37834.5727741176. The cubic root of 1431454897 is about 1127.0051212413.

The spelling of 1431454897 in words is "one billion, four hundred thirty-one million, four hundred fifty-four thousand, eight hundred ninety-seven".