1431097 has 2 divisors, whose sum is σ = 1431098. Its totient is φ = 1431096.

The previous prime is 1431071. The next prime is 1431107. The reversal of 1431097 is 7901341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1401856 + 29241 = 1184^2 + 171^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431097 - 2⁷ = 1430969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431007) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715548 + 715549.

It is an arithmetic number, because the mean of its divisors is an integer number (715549).

2^1431097 is an apocalyptic number.

It is an amenable number.

1431097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431097 is an equidigital number, since it uses as much as digits as its factorization.

1431097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1431097 is about 1196.2846651195. The cubic root of 1431097 is about 112.6911187586.

Subtracting from 1431097 its product of nonzero digits (756), we obtain a palindrome (1430341).

The spelling of 1431097 in words is "one million, four hundred thirty-one thousand, ninety-seven".