280852613 has 2 divisors, whose sum is σ = 280852614. Its totient is φ = 280852612.

The previous prime is 280852577. The next prime is 280852639. The reversal of 280852613 is 316258082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244828609 + 36024004 = 15647^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 280852613 - 2¹⁰ = 280851589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280852673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140426306 + 140426307.

It is an arithmetic number, because the mean of its divisors is an integer number (140426307).

Almost surely, 2^280852613 is an apocalyptic number.

It is an amenable number.

280852613 is a deficient number, since it is larger than the sum of its proper divisors (1).

280852613 is an equidigital number, since it uses as much as digits as its factorization.

280852613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 280852613 is about 16758.6578519880. The cubic root of 280852613 is about 654.8766257539.

The spelling of 280852613 in words is "two hundred eighty million, eight hundred fifty-two thousand, six hundred thirteen".