64290903 has 4 divisors (see below), whose sum is σ = 85721208. Its totient is φ = 42860600.

The previous prime is 64290859. The next prime is 64290913. The reversal of 64290903 is 30909246.

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

It is a cyclic number.

It is not a de Polignac number, because 64290903 - 2⁶ = 64290839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64290913) 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, 10715148 + ... + 10715153.

It is an arithmetic number, because the mean of its divisors is an integer number (21430302).

Almost surely, 2^64290903 is an apocalyptic number.

64290903 is a deficient number, since it is larger than the sum of its proper divisors (21430305).

64290903 is a wasteful number, since it uses less digits than its factorization.

64290903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21430304.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 64290903 is about 8018.1608240294. The cubic root of 64290903 is about 400.6051319932.

The spelling of 64290903 in words is "sixty-four million, two hundred ninety thousand, nine hundred three".