406396525133 has 8 divisors (see below), whose sum is σ = 430312434552. Its totient is φ = 382481752576.

The previous prime is 406396525127. The next prime is 406396525177. The reversal of 406396525133 is 331525693604.

It can be written as a sum of positive squares in 4 ways, for example, as 6438939049 + 399957586084 = 80243^2 + 632422^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406396525133 - 2¹⁰ = 406396524109 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 (406396525103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516191 + ... + 1038867.

It is an arithmetic number, because the mean of its divisors is an integer number (53789054319).

Almost surely, 2^406396525133 is an apocalyptic number.

It is an amenable number.

406396525133 is a deficient number, since it is larger than the sum of its proper divisors (23915909419).

406396525133 is a wasteful number, since it uses less digits than its factorization.

406396525133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568431.

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 406396525133 in words is "four hundred six billion, three hundred ninety-six million, five hundred twenty-five thousand, one hundred thirty-three".