2081504147 has 2 divisors, whose sum is σ = 2081504148. Its totient is φ = 2081504146.

The previous prime is 2081504141. The next prime is 2081504197. The reversal of 2081504147 is 7414051802.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2081504147 - 2¹⁸ = 2081242003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2081504141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040752073 + 1040752074.

It is an arithmetic number, because the mean of its divisors is an integer number (1040752074).

Almost surely, 2^2081504147 is an apocalyptic number.

2081504147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081504147 is an equidigital number, since it uses as much as digits as its factorization.

2081504147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2081504147 is about 45623.5043261694. The cubic root of 2081504147 is about 1276.8084851405.

Adding to 2081504147 its reverse (7414051802), we get a palindrome (9495555949).

The spelling of 2081504147 in words is "two billion, eighty-one million, five hundred four thousand, one hundred forty-seven".