314432081 has 2 divisors, whose sum is σ = 314432082. Its totient is φ = 314432080.

The previous prime is 314432059. The next prime is 314432099. The reversal of 314432081 is 180234413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244140625 + 70291456 = 15625^2 + 8384^2 .

It is an emirp because it is prime and its reverse (180234413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314432081 - 2²⁶ = 247323217 is a prime.

It is a super-2 number, since 2×314432081² = 197735067123981122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 314432081.

It is not a weakly prime, because it can be changed into another prime (314432281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157216040 + 157216041.

It is an arithmetic number, because the mean of its divisors is an integer number (157216041).

Almost surely, 2^314432081 is an apocalyptic number.

It is an amenable number.

314432081 is a deficient number, since it is larger than the sum of its proper divisors (1).

314432081 is an equidigital number, since it uses as much as digits as its factorization.

314432081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 314432081 is about 17732.2328261277. The cubic root of 314432081 is about 680.0000583910. Note that the first 4 decimals are identical.

Adding to 314432081 its reverse (180234413), we get a palindrome (494666494).

The spelling of 314432081 in words is "three hundred fourteen million, four hundred thirty-two thousand, eighty-one".