279212053 has 2 divisors, whose sum is σ = 279212054. Its totient is φ = 279212052.

The previous prime is 279212041. The next prime is 279212077. The reversal of 279212053 is 350212972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198894609 + 80317444 = 14103^2 + 8962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-279212053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (279212023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139606026 + 139606027.

It is an arithmetic number, because the mean of its divisors is an integer number (139606027).

Almost surely, 2^279212053 is an apocalyptic number.

It is an amenable number.

279212053 is a deficient number, since it is larger than the sum of its proper divisors (1).

279212053 is an equidigital number, since it uses as much as digits as its factorization.

279212053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 279212053 is about 16709.6395233410. The cubic root of 279212053 is about 653.5990124229.

The spelling of 279212053 in words is "two hundred seventy-nine million, two hundred twelve thousand, fifty-three".