315077493 has 8 divisors (see below), whose sum is σ = 420238368. Its totient is φ = 209984144.

The previous prime is 315077467. The next prime is 315077509. The reversal of 315077493 is 394770513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315077493 - 2⁶ = 315077429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315077423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4746 + ... + 25547.

It is an arithmetic number, because the mean of its divisors is an integer number (52529796).

Almost surely, 2^315077493 is an apocalyptic number.

It is an amenable number.

315077493 is a deficient number, since it is larger than the sum of its proper divisors (105160875).

315077493 is a wasteful number, since it uses less digits than its factorization.

315077493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33763.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 315077493 is about 17750.4223330038. The cubic root of 315077493 is about 680.4650027359.

The spelling of 315077493 in words is "three hundred fifteen million, seventy-seven thousand, four hundred ninety-three".