481157503 has 4 divisors (see below), whose sum is σ = 485415648. Its totient is φ = 476899360.

The previous prime is 481157497. The next prime is 481157513. The reversal of 481157503 is 305751184.

It is a happy number.

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 481157503 - 2²⁵ = 447603071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481157513) 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, 2128903 + ... + 2129128.

It is an arithmetic number, because the mean of its divisors is an integer number (121353912).

Almost surely, 2^481157503 is an apocalyptic number.

481157503 is a deficient number, since it is larger than the sum of its proper divisors (4258145).

481157503 is a wasteful number, since it uses less digits than its factorization.

481157503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258144.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 481157503 is about 21935.3026648825. The cubic root of 481157503 is about 783.6023939862.

The spelling of 481157503 in words is "four hundred eighty-one million, one hundred fifty-seven thousand, five hundred three".