312550523 has 2 divisors, whose sum is σ = 312550524. Its totient is φ = 312550522.

The previous prime is 312550489. The next prime is 312550541. The reversal of 312550523 is 325055213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312550523 - 2²² = 308356219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312550492 and 312550501.

It is not a weakly prime, because it can be changed into another prime (312550543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156275261 + 156275262.

It is an arithmetic number, because the mean of its divisors is an integer number (156275262).

Almost surely, 2^312550523 is an apocalyptic number.

312550523 is a deficient number, since it is larger than the sum of its proper divisors (1).

312550523 is an equidigital number, since it uses as much as digits as its factorization.

312550523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 312550523 is about 17679.0984781464. The cubic root of 312550523 is about 678.6409729837.

The spelling of 312550523 in words is "three hundred twelve million, five hundred fifty thousand, five hundred twenty-three".