63365431 has 2 divisors, whose sum is σ = 63365432. Its totient is φ = 63365430.

The previous prime is 63365429. The next prime is 63365453. The reversal of 63365431 is 13456336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63365431 - 2¹ = 63365429 is a prime.

It is a super-2 number, since 2×63365431² = 8030355691631522, which contains 22 as substring.

Together with 63365429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63365393 and 63365402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63365411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31682715 + 31682716.

It is an arithmetic number, because the mean of its divisors is an integer number (31682716).

Almost surely, 2^63365431 is an apocalyptic number.

63365431 is a deficient number, since it is larger than the sum of its proper divisors (1).

63365431 is an equidigital number, since it uses as much as digits as its factorization.

63365431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 63365431 is about 7960.2406370662. The cubic root of 63365431 is about 398.6735876877.

The spelling of 63365431 in words is "sixty-three million, three hundred sixty-five thousand, four hundred thirty-one".