86369225 has 6 divisors (see below), whose sum is σ = 107097870. Its totient is φ = 69095360.

The previous prime is 86369203. The next prime is 86369233. The reversal of 86369225 is 52296368.

86369225 = 6571² + 6572².

It can be written as a sum of positive squares in 3 ways, for example, as 19963024 + 66406201 = 4468^2 + 8149^2 .

It is not a de Polignac number, because 86369225 - 2⁶ = 86369161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1727360 + ... + 1727409.

It is an arithmetic number, because the mean of its divisors is an integer number (17849645).

Almost surely, 2^86369225 is an apocalyptic number.

86369225 is the 6572-nd centered square number.

It is an amenable number.

86369225 is a deficient number, since it is larger than the sum of its proper divisors (20728645).

86369225 is a wasteful number, since it uses less digits than its factorization.

86369225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454779 (or 3454774 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 86369225 is about 9293.5044520353. The cubic root of 86369225 is about 442.0312846826.

The spelling of 86369225 in words is "eighty-six million, three hundred sixty-nine thousand, two hundred twenty-five".