481251761 has 4 divisors (see below), whose sum is σ = 481474800. Its totient is φ = 481028724.

The previous prime is 481251707. The next prime is 481251773. The reversal of 481251761 is 167152184.

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 a de Polignac number, because none of the positive numbers 2^k-481251761 is a prime.

It is a super-2 number, since 2×481251761² = 463206514931202242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481251791) 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, 108251 + ... + 112608.

It is an arithmetic number, because the mean of its divisors is an integer number (120368700).

Almost surely, 2^481251761 is an apocalyptic number.

It is an amenable number.

481251761 is a deficient number, since it is larger than the sum of its proper divisors (223039).

481251761 is a wasteful number, since it uses less digits than its factorization.

481251761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223038.

The product of its digits is 13440, while the sum is 35.

The square root of 481251761 is about 21937.4511053586. The cubic root of 481251761 is about 783.6535594718.

The spelling of 481251761 in words is "four hundred eighty-one million, two hundred fifty-one thousand, seven hundred sixty-one".