481525291 has 4 divisors (see below), whose sum is σ = 518565712. Its totient is φ = 444484872.

The previous prime is 481525273. The next prime is 481525313. The reversal of 481525291 is 192525184.

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

It is not a de Polignac number, because 481525291 - 2²⁷ = 347307563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 481525291.

It is not an unprimeable number, because it can be changed into a prime (481525241) 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, 18520191 + ... + 18520216.

It is an arithmetic number, because the mean of its divisors is an integer number (129641428).

Almost surely, 2^481525291 is an apocalyptic number.

481525291 is a deficient number, since it is larger than the sum of its proper divisors (37040421).

481525291 is a wasteful number, since it uses less digits than its factorization.

481525291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37040420.

The product of its digits is 28800, while the sum is 37.

The square root of 481525291 is about 21943.6845356472. The cubic root of 481525291 is about 783.8020002517.

The spelling of 481525291 in words is "four hundred eighty-one million, five hundred twenty-five thousand, two hundred ninety-one".