86562001 has 2 divisors, whose sum is σ = 86562002. Its totient is φ = 86562000.

The previous prime is 86561999. The next prime is 86562031. The reversal of 86562001 is 10026568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76475025 + 10086976 = 8745^2 + 3176^2 .

It is a cyclic number.

It is not a de Polignac number, because 86562001 - 2¹ = 86561999 is a prime.

Together with 86561999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86562031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43281000 + 43281001.

It is an arithmetic number, because the mean of its divisors is an integer number (43281001).

Almost surely, 2^86562001 is an apocalyptic number.

It is an amenable number.

86562001 is a deficient number, since it is larger than the sum of its proper divisors (1).

86562001 is an equidigital number, since it uses as much as digits as its factorization.

86562001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 86562001 is about 9303.8702162057. The cubic root of 86562001 is about 442.3599113934.

Adding to 86562001 its reverse (10026568), we get a palindrome (96588569).

The spelling of 86562001 in words is "eighty-six million, five hundred sixty-two thousand, one".