312392953 has 4 divisors (see below), whose sum is σ = 314489700. Its totient is φ = 310296208.

The previous prime is 312392933. The next prime is 312392987. The reversal of 312392953 is 359293213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359293213 = 761 ⋅472133.

It can be written as a sum of positive squares in 2 ways, for example, as 51667344 + 260725609 = 7188^2 + 16147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312392953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312392903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048150 + ... + 1048447.

It is an arithmetic number, because the mean of its divisors is an integer number (78622425).

Almost surely, 2^312392953 is an apocalyptic number.

It is an amenable number.

312392953 is a deficient number, since it is larger than the sum of its proper divisors (2096747).

312392953 is a wasteful number, since it uses less digits than its factorization.

312392953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096746.

The product of its digits is 43740, while the sum is 37.

The square root of 312392953 is about 17674.6415239461. The cubic root of 312392953 is about 678.5269098961.

The spelling of 312392953 in words is "three hundred twelve million, three hundred ninety-two thousand, nine hundred fifty-three".