280274201 has 2 divisors, whose sum is σ = 280274202. Its totient is φ = 280274200.

The previous prime is 280274173. The next prime is 280274209. The reversal of 280274201 is 102472082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266472976 + 13801225 = 16324^2 + 3715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-280274201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (280274209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140137100 + 140137101.

It is an arithmetic number, because the mean of its divisors is an integer number (140137101).

Almost surely, 2^280274201 is an apocalyptic number.

It is an amenable number.

280274201 is a deficient number, since it is larger than the sum of its proper divisors (1).

280274201 is an equidigital number, since it uses as much as digits as its factorization.

280274201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 280274201 is about 16741.3918477527. The cubic root of 280274201 is about 654.4267470444.

The spelling of 280274201 in words is "two hundred eighty million, two hundred seventy-four thousand, two hundred one".