913945507 has 2 divisors, whose sum is σ = 913945508. Its totient is φ = 913945506.

The previous prime is 913945463. The next prime is 913945511. The reversal of 913945507 is 705549319.

It is a strong prime.

It is an emirp because it is prime and its reverse (705549319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 913945507 - 2¹⁵ = 913912739 is a prime.

It is not a weakly prime, because it can be changed into another prime (913945807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456972753 + 456972754.

It is an arithmetic number, because the mean of its divisors is an integer number (456972754).

Almost surely, 2^913945507 is an apocalyptic number.

913945507 is a deficient number, since it is larger than the sum of its proper divisors (1).

913945507 is an equidigital number, since it uses as much as digits as its factorization.

913945507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 913945507 is about 30231.5316681110. The cubic root of 913945507 is about 970.4506026337.

The spelling of 913945507 in words is "nine hundred thirteen million, nine hundred forty-five thousand, five hundred seven".