315725383 has 2 divisors, whose sum is σ = 315725384. Its totient is φ = 315725382.

The previous prime is 315725381. The next prime is 315725387. The reversal of 315725383 is 383527513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315725383 - 2¹ = 315725381 is a prime.

Together with 315725381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315725381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157862691 + 157862692.

It is an arithmetic number, because the mean of its divisors is an integer number (157862692).

Almost surely, 2^315725383 is an apocalyptic number.

315725383 is a deficient number, since it is larger than the sum of its proper divisors (1).

315725383 is an equidigital number, since it uses as much as digits as its factorization.

315725383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 315725383 is about 17768.6629491360. The cubic root of 315725383 is about 680.9310940334.

The spelling of 315725383 in words is "three hundred fifteen million, seven hundred twenty-five thousand, three hundred eighty-three".