707431 has 2 divisors, whose sum is σ = 707432. Its totient is φ = 707430.

The previous prime is 707429. The next prime is 707437. The reversal of 707431 is 134707.

It is a weak prime.

It is an emirp because it is prime and its reverse (134707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 707431 - 2¹ = 707429 is a prime.

It is a super-2 number, since 2×707431² = 1000917239522, which contains 22 as substring.

Together with 707429, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (707437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353715 + 353716.

It is an arithmetic number, because the mean of its divisors is an integer number (353716).

2⁷⁰⁷⁴³¹ is an apocalyptic number.

707431 is a deficient number, since it is larger than the sum of its proper divisors (1).

707431 is an equidigital number, since it uses as much as digits as its factorization.

707431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 707431 is about 841.0891748204. The cubic root of 707431 is about 89.1034860704.

The spelling of 707431 in words is "seven hundred seven thousand, four hundred thirty-one".