86250001 has 2 divisors, whose sum is σ = 86250002. Its totient is φ = 86250000.

The previous prime is 86249981. The next prime is 86250041. The reversal of 86250001 is 10005268.

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., 50069776 + 36180225 = 7076^2 + 6015^2 .

It is a cyclic number.

It is not a de Polignac number, because 86250001 - 2⁹ = 86249489 is a prime.

It is not a weakly prime, because it can be changed into another prime (86250041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43125000 + 43125001.

It is an arithmetic number, because the mean of its divisors is an integer number (43125001).

Almost surely, 2^86250001 is an apocalyptic number.

It is an amenable number.

86250001 is a deficient number, since it is larger than the sum of its proper divisors (1).

86250001 is an equidigital number, since it uses as much as digits as its factorization.

86250001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 86250001 is about 9287.0878643415. The cubic root of 86250001 is about 441.8277978277.

Adding to 86250001 its reverse (10005268), we get a palindrome (96255269).

The spelling of 86250001 in words is "eighty-six million, two hundred fifty thousand, one".