431142461 has 2 divisors, whose sum is σ = 431142462. Its totient is φ = 431142460.

The previous prime is 431142427. The next prime is 431142473. The reversal of 431142461 is 164241134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246019225 + 185123236 = 15685^2 + 13606^2 .

It is a cyclic number.

It is not a de Polignac number, because 431142461 - 2¹⁴ = 431126077 is a prime.

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 431142461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431147461) 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, 215571230 + 215571231.

It is an arithmetic number, because the mean of its divisors is an integer number (215571231).

Almost surely, 2^431142461 is an apocalyptic number.

It is an amenable number.

431142461 is a deficient number, since it is larger than the sum of its proper divisors (1).

431142461 is an equidigital number, since it uses as much as digits as its factorization.

431142461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 431142461 is about 20763.9702610074. The cubic root of 431142461 is about 755.4520988592.

Adding to 431142461 its reverse (164241134), we get a palindrome (595383595).

The spelling of 431142461 in words is "four hundred thirty-one million, one hundred forty-two thousand, four hundred sixty-one".