403825693 has 2 divisors, whose sum is σ = 403825694. Its totient is φ = 403825692.

The previous prime is 403825657. The next prime is 403825781. The reversal of 403825693 is 396528304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364160889 + 39664804 = 19083^2 + 6298^2 .

It is a cyclic number.

It is not a de Polignac number, because 403825693 - 2⁹ = 403825181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403825613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201912846 + 201912847.

It is an arithmetic number, because the mean of its divisors is an integer number (201912847).

Almost surely, 2^403825693 is an apocalyptic number.

It is an amenable number.

403825693 is a deficient number, since it is larger than the sum of its proper divisors (1).

403825693 is an equidigital number, since it uses as much as digits as its factorization.

403825693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 403825693 is about 20095.4147257527. The cubic root of 403825693 is about 739.1478460735.

The spelling of 403825693 in words is "four hundred three million, eight hundred twenty-five thousand, six hundred ninety-three".