481026557 has 4 divisors (see below), whose sum is σ = 524756256. Its totient is φ = 437296860.

The previous prime is 481026551. The next prime is 481026599. The reversal of 481026557 is 755620184.

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 not a de Polignac number, because 481026557 - 2⁶ = 481026493 is a prime.

It is a super-3 number, since 3×481026557³ (a number of 27 digits) contains 333 as substring.

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 481026557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481026551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21864833 + ... + 21864854.

It is an arithmetic number, because the mean of its divisors is an integer number (131189064).

Almost surely, 2^481026557 is an apocalyptic number.

It is an amenable number.

481026557 is a deficient number, since it is larger than the sum of its proper divisors (43729699).

481026557 is a wasteful number, since it uses less digits than its factorization.

481026557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43729698.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 481026557 is about 21932.3176385899. The cubic root of 481026557 is about 783.5313022902.

The spelling of 481026557 in words is "four hundred eighty-one million, twenty-six thousand, five hundred fifty-seven".