248755451 has 4 divisors (see below), whose sum is σ = 284291952. Its totient is φ = 213218952.

The previous prime is 248755393. The next prime is 248755483. The reversal of 248755451 is 154557842.

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

It is a cyclic number.

It is not a de Polignac number, because 248755451 - 2¹⁸ = 248493307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248755399 and 248755408.

It is not an unprimeable number, because it can be changed into a prime (248752451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17768240 + ... + 17768253.

It is an arithmetic number, because the mean of its divisors is an integer number (71072988).

Almost surely, 2^248755451 is an apocalyptic number.

248755451 is a deficient number, since it is larger than the sum of its proper divisors (35536501).

248755451 is an equidigital number, since it uses as much as digits as its factorization.

248755451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35536500.

The product of its digits is 224000, while the sum is 41.

The square root of 248755451 is about 15771.9831029582. The cubic root of 248755451 is about 628.9134298170.

The spelling of 248755451 in words is "two hundred forty-eight million, seven hundred fifty-five thousand, four hundred fifty-one".