402545341 has 6 divisors (see below), whose sum is σ = 442467326. Its totient is φ = 365950200.

The previous prime is 402545291. The next prime is 402545347. The reversal of 402545341 is 143545204.

It can be written as a sum of positive squares in only one way, i.e., 208918116 + 193627225 = 14454^2 + 13915^2 .

It is not a de Polignac number, because 402545341 - 2¹¹ = 402543293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402545347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1663290 + ... + 1663531.

Almost surely, 2^402545341 is an apocalyptic number.

It is an amenable number.

402545341 is a deficient number, since it is larger than the sum of its proper divisors (39921985).

402545341 is a wasteful number, since it uses less digits than its factorization.

402545341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326843 (or 3326832 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 402545341 is about 20063.5326151702. The cubic root of 402545341 is about 738.3658491399.

The spelling of 402545341 in words is "four hundred two million, five hundred forty-five thousand, three hundred forty-one".