279748053 has 16 divisors (see below), whose sum is σ = 446322240. Its totient is φ = 172152432.

The previous prime is 279748019. The next prime is 279748069. The reversal of 279748053 is 350847972.

It is not a de Polignac number, because 279748053 - 2¹³ = 279739861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (279746053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398151 + ... + 398852.

It is an arithmetic number, because the mean of its divisors is an integer number (27895140).

Almost surely, 2^279748053 is an apocalyptic number.

It is an amenable number.

279748053 is a deficient number, since it is larger than the sum of its proper divisors (166574187).

279748053 is a wasteful number, since it uses less digits than its factorization.

279748053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797025 (or 797019 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 279748053 is about 16725.6704798343. The cubic root of 279748053 is about 654.0169804530.

The spelling of 279748053 in words is "two hundred seventy-nine million, seven hundred forty-eight thousand, fifty-three".