1481381527 has 4 divisors (see below), whose sum is σ = 1489944600. Its totient is φ = 1472818456.

The previous prime is 1481381501. The next prime is 1481381533. The reversal of 1481381527 is 7251831841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7251831841 = 97 ⋅74761153.

It is a cyclic number.

It is not a de Polignac number, because 1481381527 - 2⁷ = 1481381399 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 1481381527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481381597) 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, 4281277 + ... + 4281622.

It is an arithmetic number, because the mean of its divisors is an integer number (372486150).

Almost surely, 2^1481381527 is an apocalyptic number.

1481381527 is a deficient number, since it is larger than the sum of its proper divisors (8563073).

1481381527 is an equidigital number, since it uses as much as digits as its factorization.

1481381527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563072.

The product of its digits is 53760, while the sum is 40.

The square root of 1481381527 is about 38488.7194772702. The cubic root of 1481381527 is about 1139.9583259107.

The spelling of 1481381527 in words is "one billion, four hundred eighty-one million, three hundred eighty-one thousand, five hundred twenty-seven".