4541615261 has 2 divisors, whose sum is σ = 4541615262. Its totient is φ = 4541615260.

The previous prime is 4541615147. The next prime is 4541615269. The reversal of 4541615261 is 1625161454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4540199161 + 1416100 = 67381^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 4541615261 - 2¹⁰ = 4541614237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4541615269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270807630 + 2270807631.

It is an arithmetic number, because the mean of its divisors is an integer number (2270807631).

Almost surely, 2^4541615261 is an apocalyptic number.

It is an amenable number.

4541615261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4541615261 is an equidigital number, since it uses as much as digits as its factorization.

4541615261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 4541615261 is about 67391.5073358654. The cubic root of 4541615261 is about 1656.0372964375.

The spelling of 4541615261 in words is "four billion, five hundred forty-one million, six hundred fifteen thousand, two hundred sixty-one".