401205499 has 2 divisors, whose sum is σ = 401205500. Its totient is φ = 401205498.

The previous prime is 401205461. The next prime is 401205521. The reversal of 401205499 is 994502104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401205499 is a prime.

It is not a weakly prime, because it can be changed into another prime (401205439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200602749 + 200602750.

It is an arithmetic number, because the mean of its divisors is an integer number (200602750).

Almost surely, 2^401205499 is an apocalyptic number.

401205499 is a deficient number, since it is larger than the sum of its proper divisors (1).

401205499 is an equidigital number, since it uses as much as digits as its factorization.

401205499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 401205499 is about 20030.1148024668. The cubic root of 401205499 is about 737.5457401105.

The spelling of 401205499 in words is "four hundred one million, two hundred five thousand, four hundred ninety-nine".