431504089 has 2 divisors, whose sum is σ = 431504090. Its totient is φ = 431504088.

The previous prime is 431504071. The next prime is 431504107. The reversal of 431504089 is 980405134.

It is a balanced prime because it is at equal distance from previous prime (431504071) and next prime (431504107).

It can be written as a sum of positive squares in only one way, i.e., 215854864 + 215649225 = 14692^2 + 14685^2 .

It is a cyclic number.

It is not a de Polignac number, because 431504089 - 2¹⁵ = 431471321 is a prime.

It is not a weakly prime, because it can be changed into another prime (431504009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215752044 + 215752045.

It is an arithmetic number, because the mean of its divisors is an integer number (215752045).

Almost surely, 2^431504089 is an apocalyptic number.

It is an amenable number.

431504089 is a deficient number, since it is larger than the sum of its proper divisors (1).

431504089 is an equidigital number, since it uses as much as digits as its factorization.

431504089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 431504089 is about 20772.6765006342. The cubic root of 431504089 is about 755.6632558898.

The spelling of 431504089 in words is "four hundred thirty-one million, five hundred four thousand, eighty-nine".