406475523253 has 2 divisors, whose sum is σ = 406475523254. Its totient is φ = 406475523252.

The previous prime is 406475523247. The next prime is 406475523257. The reversal of 406475523253 is 352325574604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393388620849 + 13086902404 = 627207^2 + 114398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406475523253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406475523257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203237761626 + 203237761627.

It is an arithmetic number, because the mean of its divisors is an integer number (203237761627).

Almost surely, 2^406475523253 is an apocalyptic number.

It is an amenable number.

406475523253 is a deficient number, since it is larger than the sum of its proper divisors (1).

406475523253 is an equidigital number, since it uses as much as digits as its factorization.

406475523253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024000, while the sum is 46.

The spelling of 406475523253 in words is "four hundred six billion, four hundred seventy-five million, five hundred twenty-three thousand, two hundred fifty-three".