4526521801 has 2 divisors, whose sum is σ = 4526521802. Its totient is φ = 4526521800.

The previous prime is 4526521789. The next prime is 4526521889. The reversal of 4526521801 is 1081256254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2347499401 + 2179022400 = 48451^2 + 46680^2 .

It is a cyclic number.

It is not a de Polignac number, because 4526521801 - 2²¹ = 4524424649 is a prime.

It is a super-2 number, since 2×4526521801² = 40978799229856567202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4526521501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2263260900 + 2263260901.

It is an arithmetic number, because the mean of its divisors is an integer number (2263260901).

Almost surely, 2^4526521801 is an apocalyptic number.

It is an amenable number.

4526521801 is a deficient number, since it is larger than the sum of its proper divisors (1).

4526521801 is an equidigital number, since it uses as much as digits as its factorization.

4526521801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 4526521801 is about 67279.4307422410. The cubic root of 4526521801 is about 1654.2007197970.

The spelling of 4526521801 in words is "four billion, five hundred twenty-six million, five hundred twenty-one thousand, eight hundred one".