312264641 has 4 divisors (see below), whose sum is σ = 336285012. Its totient is φ = 288244272.

The previous prime is 312264637. The next prime is 312264649. The reversal of 312264641 is 146462213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146462213 = 1621 ⋅90353.

It can be written as a sum of positive squares in 2 ways, for example, as 46444225 + 265820416 = 6815^2 + 16304^2 .

It is a cyclic number.

It is not a de Polignac number, because 312264641 - 2² = 312264637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312264649) 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, 12010166 + ... + 12010191.

It is an arithmetic number, because the mean of its divisors is an integer number (84071253).

Almost surely, 2^312264641 is an apocalyptic number.

It is an amenable number.

312264641 is a deficient number, since it is larger than the sum of its proper divisors (24020371).

312264641 is a wasteful number, since it uses less digits than its factorization.

312264641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24020370.

The product of its digits is 6912, while the sum is 29.

The square root of 312264641 is about 17671.0113179750. The cubic root of 312264641 is about 678.4339979969.

The spelling of 312264641 in words is "three hundred twelve million, two hundred sixty-four thousand, six hundred forty-one".