890015201 has 2 divisors, whose sum is σ = 890015202. Its totient is φ = 890015200.

The previous prime is 890015183. The next prime is 890015237. The reversal of 890015201 is 102510098.

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., 465696400 + 424318801 = 21580^2 + 20599^2 .

It is a cyclic number.

It is not a de Polignac number, because 890015201 - 2¹⁸ = 889753057 is a prime.

It is a super-2 number, since 2×890015201² = 1584254116022140802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (890015101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445007600 + 445007601.

It is an arithmetic number, because the mean of its divisors is an integer number (445007601).

Almost surely, 2^890015201 is an apocalyptic number.

It is an amenable number.

890015201 is a deficient number, since it is larger than the sum of its proper divisors (1).

890015201 is an equidigital number, since it uses as much as digits as its factorization.

890015201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 890015201 is about 29833.1225486036. The cubic root of 890015201 is about 961.9056479228.

Adding to 890015201 its reverse (102510098), we get a palindrome (992525299).

The spelling of 890015201 in words is "eight hundred ninety million, fifteen thousand, two hundred one".