406461259 has 2 divisors, whose sum is σ = 406461260. Its totient is φ = 406461258.

The previous prime is 406461229. The next prime is 406461271. The reversal of 406461259 is 952164604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406461259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (406461229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203230629 + 203230630.

It is an arithmetic number, because the mean of its divisors is an integer number (203230630).

Almost surely, 2^406461259 is an apocalyptic number.

406461259 is a deficient number, since it is larger than the sum of its proper divisors (1).

406461259 is an equidigital number, since it uses as much as digits as its factorization.

406461259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 406461259 is about 20160.8843804036. The cubic root of 406461259 is about 740.7523751536.

It can be divided in two parts, 40646 and 1259, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 406461259 in words is "four hundred six million, four hundred sixty-one thousand, two hundred fifty-nine".