63403045 has 4 divisors (see below), whose sum is σ = 76083660. Its totient is φ = 50722432.

The previous prime is 63403007. The next prime is 63403051. The reversal of 63403045 is 54030436.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40525956 + 22877089 = 6366^2 + 4783^2 .

It is a cyclic number.

It is not a de Polignac number, because 63403045 - 2⁷ = 63402917 is a prime.

It is a super-3 number, since 3×63403045³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6340300 + ... + 6340309.

It is an arithmetic number, because the mean of its divisors is an integer number (19020915).

Almost surely, 2^63403045 is an apocalyptic number.

It is an amenable number.

63403045 is a deficient number, since it is larger than the sum of its proper divisors (12680615).

63403045 is a wasteful number, since it uses less digits than its factorization.

63403045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12680614.

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

The square root of 63403045 is about 7962.6029035737. The cubic root of 63403045 is about 398.7524568855.

The spelling of 63403045 in words is "sixty-three million, four hundred three thousand, forty-five".