318412541 has 4 divisors (see below), whose sum is σ = 321990300. Its totient is φ = 314834784.

The previous prime is 318412517. The next prime is 318412543. The reversal of 318412541 is 145214813.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208686916 + 109725625 = 14446^2 + 10475^2 .

It is a cyclic number.

It is not a de Polignac number, because 318412541 - 2⁶ = 318412477 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 (318412543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788746 + ... + 1788923.

It is an arithmetic number, because the mean of its divisors is an integer number (80497575).

Almost surely, 2^318412541 is an apocalyptic number.

It is an amenable number.

318412541 is a deficient number, since it is larger than the sum of its proper divisors (3577759).

318412541 is an equidigital number, since it uses as much as digits as its factorization.

318412541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577758.

The product of its digits is 3840, while the sum is 29.

The square root of 318412541 is about 17844.1178263315. The cubic root of 318412541 is about 682.8574545658.

The spelling of 318412541 in words is "three hundred eighteen million, four hundred twelve thousand, five hundred forty-one".