1478062081 has 2 divisors, whose sum is σ = 1478062082. Its totient is φ = 1478062080.

The previous prime is 1478062073. The next prime is 1478062099. The reversal of 1478062081 is 1802608741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1473331456 + 4730625 = 38384^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1478062081 - 2³ = 1478062073 is a prime.

It is a super-2 number, since 2×1478062081² = 4369335030580101122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1478062081.

It is not a weakly prime, because it can be changed into another prime (1478062031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739031040 + 739031041.

It is an arithmetic number, because the mean of its divisors is an integer number (739031041).

Almost surely, 2^1478062081 is an apocalyptic number.

It is an amenable number.

1478062081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478062081 is an equidigital number, since it uses as much as digits as its factorization.

1478062081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1478062081 is about 38445.5729701093. The cubic root of 1478062081 is about 1139.1062249159.

The spelling of 1478062081 in words is "one billion, four hundred seventy-eight million, sixty-two thousand, eighty-one".