312483487 has 2 divisors, whose sum is σ = 312483488. Its totient is φ = 312483486.

The previous prime is 312483469. The next prime is 312483517. The reversal of 312483487 is 784384213.

It is a weak prime.

It is an emirp because it is prime and its reverse (784384213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312483487 - 2¹¹ = 312481439 is a prime.

It is equal to p_16891429 and since 312483487 and 16891429 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312483467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156241743 + 156241744.

It is an arithmetic number, because the mean of its divisors is an integer number (156241744).

Almost surely, 2^312483487 is an apocalyptic number.

312483487 is a deficient number, since it is larger than the sum of its proper divisors (1).

312483487 is an equidigital number, since it uses as much as digits as its factorization.

312483487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 312483487 is about 17677.2024653224. The cubic root of 312483487 is about 678.5924510907.

The spelling of 312483487 in words is "three hundred twelve million, four hundred eighty-three thousand, four hundred eighty-seven".