84245201 has 4 divisors (see below), whose sum is σ = 86300004. Its totient is φ = 82190400.

The previous prime is 84245191. The next prime is 84245219. The reversal of 84245201 is 10254248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4946176 + 79299025 = 2224^2 + 8905^2 .

It is a cyclic number.

It is not a de Polignac number, because 84245201 - 2⁶ = 84245137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84245501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027340 + ... + 1027421.

It is an arithmetic number, because the mean of its divisors is an integer number (21575001).

Almost surely, 2^84245201 is an apocalyptic number.

It is an amenable number.

84245201 is a deficient number, since it is larger than the sum of its proper divisors (2054803).

84245201 is a wasteful number, since it uses less digits than its factorization.

84245201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054802.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 84245201 is about 9178.5184534324. The cubic root of 84245201 is about 438.3776359230.

Adding to 84245201 its reverse (10254248), we get a palindrome (94499449).

The spelling of 84245201 in words is "eighty-four million, two hundred forty-five thousand, two hundred one".