406535404531 has 2 divisors, whose sum is σ = 406535404532. Its totient is φ = 406535404530.

The previous prime is 406535404489. The next prime is 406535404549. The reversal of 406535404531 is 135404535604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406535404531 - 2¹³ = 406535396339 is a prime.

It is a super-2 number, since 2×406535404531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406535405531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203267702265 + 203267702266.

It is an arithmetic number, because the mean of its divisors is an integer number (203267702266).

Almost surely, 2^406535404531 is an apocalyptic number.

406535404531 is a deficient number, since it is larger than the sum of its proper divisors (1).

406535404531 is an equidigital number, since it uses as much as digits as its factorization.

406535404531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 406535404531 in words is "four hundred six billion, five hundred thirty-five million, four hundred four thousand, five hundred thirty-one".