804623249 has 2 divisors, whose sum is σ = 804623250. Its totient is φ = 804623248.

The previous prime is 804623219. The next prime is 804623341. The reversal of 804623249 is 942326408.

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., 668481025 + 136142224 = 25855^2 + 11668^2 .

It is a cyclic number.

It is not a de Polignac number, because 804623249 - 2⁸ = 804622993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (804623219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402311624 + 402311625.

It is an arithmetic number, because the mean of its divisors is an integer number (402311625).

Almost surely, 2^804623249 is an apocalyptic number.

It is an amenable number.

804623249 is a deficient number, since it is larger than the sum of its proper divisors (1).

804623249 is an equidigital number, since it uses as much as digits as its factorization.

804623249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 804623249 is about 28365.8817772337. The cubic root of 804623249 is about 930.1026013136.

The spelling of 804623249 in words is "eight hundred four million, six hundred twenty-three thousand, two hundred forty-nine".