994105513 has 4 divisors (see below), whose sum is σ = 994443088. Its totient is φ = 993767940.

The previous prime is 994105499. The next prime is 994105523. The reversal of 994105513 is 315501499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994105513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994105523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164331 + ... + 170272.

It is an arithmetic number, because the mean of its divisors is an integer number (248610772).

Almost surely, 2^994105513 is an apocalyptic number.

It is an amenable number.

994105513 is a deficient number, since it is larger than the sum of its proper divisors (337575).

994105513 is a wasteful number, since it uses less digits than its factorization.

994105513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337574.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 994105513 is about 31529.4388310354. The cubic root of 994105513 is about 998.0312977549.

The spelling of 994105513 in words is "nine hundred ninety-four million, one hundred five thousand, five hundred thirteen".