1481015317 has 4 divisors (see below), whose sum is σ = 1521042796. Its totient is φ = 1440987840.

The previous prime is 1481015311. The next prime is 1481015321. The reversal of 1481015317 is 7135101841.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 951969316 + 529046001 = 30854^2 + 23001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481015317 - 2⁷ = 1481015189 is a prime.

It is a super-2 number, since 2×1481015317² = 4386812738377220978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481015311) 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, 20013684 + ... + 20013757.

It is an arithmetic number, because the mean of its divisors is an integer number (380260699).

Almost surely, 2^1481015317 is an apocalyptic number.

It is an amenable number.

1481015317 is a deficient number, since it is larger than the sum of its proper divisors (40027479).

1481015317 is an equidigital number, since it uses as much as digits as its factorization.

1481015317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40027478.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1481015317 is about 38483.9618152809. The cubic root of 1481015317 is about 1139.8643824001.

The spelling of 1481015317 in words is "one billion, four hundred eighty-one million, fifteen thousand, three hundred seventeen".