473515981 has 8 divisors (see below), whose sum is σ = 478967904. Its totient is φ = 468083280.

The previous prime is 473515963. The next prime is 473515993. The reversal of 473515981 is 189515374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 473515981 - 2¹⁹ = 472991693 is a prime.

It is a super-2 number, since 2×473515981² = 448434768524784722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473515921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48031 + ... + 57043.

It is an arithmetic number, because the mean of its divisors is an integer number (59870988).

Almost surely, 2^473515981 is an apocalyptic number.

It is an amenable number.

473515981 is a deficient number, since it is larger than the sum of its proper divisors (5451923).

473515981 is a wasteful number, since it uses less digits than its factorization.

473515981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9611.

The product of its digits is 151200, while the sum is 43.

The square root of 473515981 is about 21760.4223534379. The cubic root of 473515981 is about 779.4319669929.

The spelling of 473515981 in words is "four hundred seventy-three million, five hundred fifteen thousand, nine hundred eighty-one".