34400563 has 4 divisors (see below), whose sum is σ = 34651800. Its totient is φ = 34149328.

The previous prime is 34400549. The next prime is 34400573. The reversal of 34400563 is 36500443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34400563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34400543) 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, 125413 + ... + 125686.

It is an arithmetic number, because the mean of its divisors is an integer number (8662950).

Almost surely, 2^34400563 is an apocalyptic number.

34400563 is a deficient number, since it is larger than the sum of its proper divisors (251237).

34400563 is a wasteful number, since it uses less digits than its factorization.

34400563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251236.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 34400563 is about 5865.1993146013. The cubic root of 34400563 is about 325.2284405763.

The spelling of 34400563 in words is "thirty-four million, four hundred thousand, five hundred sixty-three".