248354281 has 4 divisors (see below), whose sum is σ = 283833472. Its totient is φ = 212875092.

The previous prime is 248354273. The next prime is 248354287. The reversal of 248354281 is 182453842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248354281 - 2³ = 248354273 is a prime.

It is a super-2 number, since 2×248354281² = 123359697782053922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248354281.

It is not an unprimeable number, because it can be changed into a prime (248354287) 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, 17739585 + ... + 17739598.

It is an arithmetic number, because the mean of its divisors is an integer number (70958368).

Almost surely, 2^248354281 is an apocalyptic number.

It is an amenable number.

248354281 is a deficient number, since it is larger than the sum of its proper divisors (35479191).

248354281 is an equidigital number, since it uses as much as digits as its factorization.

248354281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35479190.

The product of its digits is 61440, while the sum is 37.

The square root of 248354281 is about 15759.2601666449. The cubic root of 248354281 is about 628.5751632575.

The spelling of 248354281 in words is "two hundred forty-eight million, three hundred fifty-four thousand, two hundred eighty-one".