402485827 has 2 divisors, whose sum is σ = 402485828. Its totient is φ = 402485826.

The previous prime is 402485821. The next prime is 402485851. The reversal of 402485827 is 728584204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402485827 - 2¹⁵ = 402453059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402485827.

It is not a weakly prime, because it can be changed into another prime (402485821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201242913 + 201242914.

It is an arithmetic number, because the mean of its divisors is an integer number (201242914).

Almost surely, 2^402485827 is an apocalyptic number.

402485827 is a deficient number, since it is larger than the sum of its proper divisors (1).

402485827 is an equidigital number, since it uses as much as digits as its factorization.

402485827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 402485827 is about 20062.0494217316. The cubic root of 402485827 is about 738.3294596401.

The spelling of 402485827 in words is "four hundred two million, four hundred eighty-five thousand, eight hundred twenty-seven".