473521901 has 4 divisors (see below), whose sum is σ = 477136704. Its totient is φ = 469907100.

The previous prime is 473521879. The next prime is 473521903. The reversal of 473521901 is 109125374.

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 not a de Polignac number, because 473521901 - 2⁶ = 473521837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473521903) 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, 1807205 + ... + 1807466.

It is an arithmetic number, because the mean of its divisors is an integer number (119284176).

Almost surely, 2^473521901 is an apocalyptic number.

It is an amenable number.

473521901 is a deficient number, since it is larger than the sum of its proper divisors (3614803).

473521901 is a wasteful number, since it uses less digits than its factorization.

473521901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614802.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 473521901 is about 21760.5583797843. The cubic root of 473521901 is about 779.4352151888.

The spelling of 473521901 in words is "four hundred seventy-three million, five hundred twenty-one thousand, nine hundred one".