307245473 has 2 divisors, whose sum is σ = 307245474. Its totient is φ = 307245472.

The previous prime is 307245443. The next prime is 307245481. The reversal of 307245473 is 374542703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266897569 + 40347904 = 16337^2 + 6352^2 .

It is a cyclic number.

It is not a de Polignac number, because 307245473 - 2¹⁸ = 306983329 is a prime.

It is not a weakly prime, because it can be changed into another prime (307245413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153622736 + 153622737.

It is an arithmetic number, because the mean of its divisors is an integer number (153622737).

Almost surely, 2^307245473 is an apocalyptic number.

It is an amenable number.

307245473 is a deficient number, since it is larger than the sum of its proper divisors (1).

307245473 is an equidigital number, since it uses as much as digits as its factorization.

307245473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 307245473 is about 17528.4190102816. The cubic root of 307245473 is about 674.7794234926.

The spelling of 307245473 in words is "three hundred seven million, two hundred forty-five thousand, four hundred seventy-three".