248501447 has 4 divisors (see below), whose sum is σ = 249109440. Its totient is φ = 247893456.

The previous prime is 248501443. The next prime is 248501479. The reversal of 248501447 is 744105842.

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 248501447 - 2² = 248501443 is a prime.

It is a super-2 number, since 2×248501447² = 123505938322187618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248501443) 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, 303383 + ... + 304200.

It is an arithmetic number, because the mean of its divisors is an integer number (62277360).

Almost surely, 2^248501447 is an apocalyptic number.

248501447 is a deficient number, since it is larger than the sum of its proper divisors (607993).

248501447 is an equidigital number, since it uses as much as digits as its factorization.

248501447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607992.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 248501447 is about 15763.9286664207. The cubic root of 248501447 is about 628.6992959097.

The spelling of 248501447 in words is "two hundred forty-eight million, five hundred one thousand, four hundred forty-seven".