307412081 has 2 divisors, whose sum is σ = 307412082. Its totient is φ = 307412080.

The previous prime is 307412041. The next prime is 307412143. The reversal of 307412081 is 180214703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222606400 + 84805681 = 14920^2 + 9209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-307412081 is a prime.

It is a super-2 number, since 2×307412081² = 189004375089501122, 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 307412081.

It is not a weakly prime, because it can be changed into another prime (307412041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153706040 + 153706041.

It is an arithmetic number, because the mean of its divisors is an integer number (153706041).

Almost surely, 2^307412081 is an apocalyptic number.

It is an amenable number.

307412081 is a deficient number, since it is larger than the sum of its proper divisors (1).

307412081 is an equidigital number, since it uses as much as digits as its factorization.

307412081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 307412081 is about 17533.1708769407. The cubic root of 307412081 is about 674.9013708659.

Adding to 307412081 its reverse (180214703), we get a palindrome (487626784).

The spelling of 307412081 in words is "three hundred seven million, four hundred twelve thousand, eighty-one".