248611403 has 4 divisors (see below), whose sum is σ = 257184240. Its totient is φ = 240038568.

The previous prime is 248611387. The next prime is 248611411. The reversal of 248611403 is 304116842.

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

It is not a de Polignac number, because 248611403 - 2⁴ = 248611387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 8572807 = 248611403 / (2 + 4 + 8 + 6 + 1 + 1 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248611483) 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 3 ways as a sum of consecutive naturals, for example, 4286375 + ... + 4286432.

It is an arithmetic number, because the mean of its divisors is an integer number (64296060).

Almost surely, 2^248611403 is an apocalyptic number.

248611403 is a deficient number, since it is larger than the sum of its proper divisors (8572837).

248611403 is an equidigital number, since it uses as much as digits as its factorization.

248611403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572836.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 248611403 is about 15767.4158631020. The cubic root of 248611403 is about 628.7920104152.

The spelling of 248611403 in words is "two hundred forty-eight million, six hundred eleven thousand, four hundred three".