248667051 has 4 divisors (see below), whose sum is σ = 331556072. Its totient is φ = 165778032.

The previous prime is 248666983. The next prime is 248667059. The reversal of 248667051 is 150766842.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 248667051 - 2¹⁰ = 248666027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248667059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41444506 + ... + 41444511.

It is an arithmetic number, because the mean of its divisors is an integer number (82889018).

Almost surely, 2^248667051 is an apocalyptic number.

248667051 is a deficient number, since it is larger than the sum of its proper divisors (82889021).

248667051 is an equidigital number, since it uses as much as digits as its factorization.

248667051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82889020.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 248667051 is about 15769.1804162423. The cubic root of 248667051 is about 628.8389221912.

The spelling of 248667051 in words is "two hundred forty-eight million, six hundred sixty-seven thousand, fifty-one".