248555481 has 4 divisors (see below), whose sum is σ = 331407312. Its totient is φ = 165703652.

The previous prime is 248555479. The next prime is 248555507. The reversal of 248555481 is 184555842.

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 248555481 - 2¹ = 248555479 is a prime.

It is a super-2 number, since 2×248555481² = 123559654270282722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248555431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41425911 + ... + 41425916.

It is an arithmetic number, because the mean of its divisors is an integer number (82851828).

Almost surely, 2^248555481 is an apocalyptic number.

It is an amenable number.

248555481 is a deficient number, since it is larger than the sum of its proper divisors (82851831).

248555481 is an equidigital number, since it uses as much as digits as its factorization.

248555481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82851830.

The product of its digits is 256000, while the sum is 42.

The square root of 248555481 is about 15765.6424226861. The cubic root of 248555481 is about 628.7448606019.

The spelling of 248555481 in words is "two hundred forty-eight million, five hundred fifty-five thousand, four hundred eighty-one".