248663051 has 64 divisors (see below), whose sum is σ = 347289600. Its totient is φ = 173467008.

The previous prime is 248663047. The next prime is 248663057. The reversal of 248663051 is 150366842.

It is not a de Polignac number, because 248663051 - 2² = 248663047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248663057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6720605 + ... + 6720641.

It is an arithmetic number, because the mean of its divisors is an integer number (5426400).

Almost surely, 2^248663051 is an apocalyptic number.

248663051 is a deficient number, since it is larger than the sum of its proper divisors (98626549).

248663051 is a wasteful number, since it uses less digits than its factorization.

248663051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 248663051 is about 15769.0535860590. The cubic root of 248663051 is about 628.8355503879.

The spelling of 248663051 in words is "two hundred forty-eight million, six hundred sixty-three thousand, fifty-one".