316242461 has 4 divisors (see below), whose sum is σ = 322971072. Its totient is φ = 309513852.

The previous prime is 316242397. The next prime is 316242473. The reversal of 316242461 is 164242613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164242613 = 3023 ⋅54331.

It is a cyclic number.

It is not a de Polignac number, because 316242461 - 2⁶ = 316242397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316242491) 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, 3364235 + ... + 3364328.

It is an arithmetic number, because the mean of its divisors is an integer number (80742768).

Almost surely, 2^316242461 is an apocalyptic number.

It is an amenable number.

316242461 is a deficient number, since it is larger than the sum of its proper divisors (6728611).

316242461 is an equidigital number, since it uses as much as digits as its factorization.

316242461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728610.

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

The square root of 316242461 is about 17783.2072754045. The cubic root of 316242461 is about 681.3026220217.

The spelling of 316242461 in words is "three hundred sixteen million, two hundred forty-two thousand, four hundred sixty-one".