940695313 has 2 divisors, whose sum is σ = 940695314. Its totient is φ = 940695312.

The previous prime is 940695311. The next prime is 940695319. The reversal of 940695313 is 313596049.

940695313 = 21687² + 21688².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470369344 + 470325969 = 21688^2 + 21687^2 .

It is a cyclic number.

It is not a de Polignac number, because 940695313 - 2¹ = 940695311 is a prime.

Together with 940695311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (940695311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470347656 + 470347657.

It is an arithmetic number, because the mean of its divisors is an integer number (470347657).

Almost surely, 2^940695313 is an apocalyptic number.

940695313 is the 21688-th centered square number.

It is an amenable number.

940695313 is a deficient number, since it is larger than the sum of its proper divisors (1).

940695313 is an equidigital number, since it uses as much as digits as its factorization.

940695313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 940695313 is about 30670.7566421176. The cubic root of 940695313 is about 979.8275807315.

The spelling of 940695313 in words is "nine hundred forty million, six hundred ninety-five thousand, three hundred thirteen".