828250369 has 2 divisors, whose sum is σ = 828250370. Its totient is φ = 828250368.

The previous prime is 828250249. The next prime is 828250417. The reversal of 828250369 is 963052828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640697344 + 187553025 = 25312^2 + 13695^2 .

It is a cyclic number.

It is not a de Polignac number, because 828250369 - 2¹¹ = 828248321 is a prime.

It is a super-2 number, since 2×828250369² = 1371997347497272322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (828250169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414125184 + 414125185.

It is an arithmetic number, because the mean of its divisors is an integer number (414125185).

Almost surely, 2^828250369 is an apocalyptic number.

It is an amenable number.

828250369 is a deficient number, since it is larger than the sum of its proper divisors (1).

828250369 is an equidigital number, since it uses as much as digits as its factorization.

828250369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 828250369 is about 28779.3392731661. The cubic root of 828250369 is about 939.1188245202.

The spelling of 828250369 in words is "eight hundred twenty-eight million, two hundred fifty thousand, three hundred sixty-nine".