404825653 has 2 divisors, whose sum is σ = 404825654. Its totient is φ = 404825652.

The previous prime is 404825651. The next prime is 404825657. The reversal of 404825653 is 356528404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395134884 + 9690769 = 19878^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 404825653 - 2¹ = 404825651 is a prime.

Together with 404825651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404825651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202412826 + 202412827.

It is an arithmetic number, because the mean of its divisors is an integer number (202412827).

Almost surely, 2^404825653 is an apocalyptic number.

It is an amenable number.

404825653 is a deficient number, since it is larger than the sum of its proper divisors (1).

404825653 is an equidigital number, since it uses as much as digits as its factorization.

404825653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 404825653 is about 20120.2796451739. The cubic root of 404825653 is about 739.7574399804.

The spelling of 404825653 in words is "four hundred four million, eight hundred twenty-five thousand, six hundred fifty-three".