315014477 has 2 divisors, whose sum is σ = 315014478. Its totient is φ = 315014476.

The previous prime is 315014473. The next prime is 315014519. The reversal of 315014477 is 774410513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228040201 + 86974276 = 15101^2 + 9326^2 .

It is an emirp because it is prime and its reverse (774410513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315014477 - 2² = 315014473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315014473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157507238 + 157507239.

It is an arithmetic number, because the mean of its divisors is an integer number (157507239).

Almost surely, 2^315014477 is an apocalyptic number.

It is an amenable number.

315014477 is a deficient number, since it is larger than the sum of its proper divisors (1).

315014477 is an equidigital number, since it uses as much as digits as its factorization.

315014477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 315014477 is about 17748.6471878845. The cubic root of 315014477 is about 680.4196350168.

The spelling of 315014477 in words is "three hundred fifteen million, fourteen thousand, four hundred seventy-seven".