431345479 has 2 divisors, whose sum is σ = 431345480. Its totient is φ = 431345478.

The previous prime is 431345443. The next prime is 431345483. The reversal of 431345479 is 974543134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431345479 - 2²¹ = 429248327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431345489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215672739 + 215672740.

It is an arithmetic number, because the mean of its divisors is an integer number (215672740).

Almost surely, 2^431345479 is an apocalyptic number.

431345479 is a deficient number, since it is larger than the sum of its proper divisors (1).

431345479 is an equidigital number, since it uses as much as digits as its factorization.

431345479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 431345479 is about 20768.8583942402. The cubic root of 431345479 is about 755.5706569702.

The spelling of 431345479 in words is "four hundred thirty-one million, three hundred forty-five thousand, four hundred seventy-nine".