248197489 has 4 divisors (see below), whose sum is σ = 250756324. Its totient is φ = 245638656.

The previous prime is 248197441. The next prime is 248197507. The reversal of 248197489 is 984791842.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 202066225 + 46131264 = 14215^2 + 6792^2 .

It is a cyclic number.

It is not a de Polignac number, because 248197489 - 2¹⁷ = 248066417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248197409) 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, 1279272 + ... + 1279465.

It is an arithmetic number, because the mean of its divisors is an integer number (62689081).

Almost surely, 2^248197489 is an apocalyptic number.

It is an amenable number.

248197489 is a deficient number, since it is larger than the sum of its proper divisors (2558835).

248197489 is an equidigital number, since it uses as much as digits as its factorization.

248197489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558834.

The product of its digits is 1161216, while the sum is 52.

The square root of 248197489 is about 15754.2847822426. The cubic root of 248197489 is about 628.4428572308.

The spelling of 248197489 in words is "two hundred forty-eight million, one hundred ninety-seven thousand, four hundred eighty-nine".