481952491 has 4 divisors (see below), whose sum is σ = 494978272. Its totient is φ = 468926712.

The previous prime is 481952483. The next prime is 481952539. The reversal of 481952491 is 194259184.

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 481952491 - 2³ = 481952483 is a prime.

It is a super-2 number, since 2×481952491² = 464556407162210162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481952441) 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, 6512835 + ... + 6512908.

It is an arithmetic number, because the mean of its divisors is an integer number (123744568).

Almost surely, 2^481952491 is an apocalyptic number.

481952491 is a deficient number, since it is larger than the sum of its proper divisors (13025781).

481952491 is a wasteful number, since it uses less digits than its factorization.

481952491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13025780.

The product of its digits is 103680, while the sum is 43.

The square root of 481952491 is about 21953.4163856107. The cubic root of 481952491 is about 784.0337231043.

The spelling of 481952491 in words is "four hundred eighty-one million, nine hundred fifty-two thousand, four hundred ninety-one".