85082401 has 2 divisors, whose sum is σ = 85082402. Its totient is φ = 85082400.

The previous prime is 85082381. The next prime is 85082407. The reversal of 85082401 is 10428058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85082176 + 225 = 9224^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 85082401 - 2⁵ = 85082369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85082401.

It is not a weakly prime, because it can be changed into another prime (85082407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42541200 + 42541201.

It is an arithmetic number, because the mean of its divisors is an integer number (42541201).

Almost surely, 2^85082401 is an apocalyptic number.

It is an amenable number.

85082401 is a deficient number, since it is larger than the sum of its proper divisors (1).

85082401 is an equidigital number, since it uses as much as digits as its factorization.

85082401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 85082401 is about 9224.0121964360. The cubic root of 85082401 is about 439.8250010000.

The spelling of 85082401 in words is "eighty-five million, eighty-two thousand, four hundred one".