334997563 has 16 divisors (see below), whose sum is σ = 374685696. Its totient is φ = 298005120.

The previous prime is 334997549. The next prime is 334997567. The reversal of 334997563 is 365799433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-334997563 is a prime.

It is a super-2 number, since 2×334997563² = 224446734431877938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334997567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15270 + ... + 30052.

It is an arithmetic number, because the mean of its divisors is an integer number (23417856).

Almost surely, 2^334997563 is an apocalyptic number.

334997563 is a deficient number, since it is larger than the sum of its proper divisors (39688133).

334997563 is a wasteful number, since it uses less digits than its factorization.

334997563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14874.

The product of its digits is 1837080, while the sum is 49.

The square root of 334997563 is about 18302.9386438353. The cubic root of 334997563 is about 694.5132716868.

The spelling of 334997563 in words is "three hundred thirty-four million, nine hundred ninety-seven thousand, five hundred sixty-three".