613403307 has 32 divisors (see below), whose sum is σ = 1034472960. Its totient is φ = 355592160.

The previous prime is 613403257. The next prime is 613403309. The reversal of 613403307 is 703304316.

It is a happy number.

613403307 is a `hidden beast` number, since 613 + 40 + 3 + 3 + 0 + 7 = 666.

It is not a de Polignac number, because 613403307 - 2¹⁴ = 613386923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (613403309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38068 + ... + 51729.

It is an arithmetic number, because the mean of its divisors is an integer number (32327280).

Almost surely, 2^613403307 is an apocalyptic number.

613403307 is a deficient number, since it is larger than the sum of its proper divisors (421069653).

613403307 is a wasteful number, since it uses less digits than its factorization.

613403307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89840 (or 89834 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 613403307 is about 24766.9801752252. The cubic root of 613403307 is about 849.6669084727. Note that the first 3 decimals are identical.

The spelling of 613403307 in words is "six hundred thirteen million, four hundred three thousand, three hundred seven".