248689061 has 2 divisors, whose sum is σ = 248689062. Its totient is φ = 248689060.

The previous prime is 248689033. The next prime is 248689093. The reversal of 248689061 is 160986842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185804161 + 62884900 = 13631^2 + 7930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248689061 is a prime.

It is a super-2 number, since 2×248689061² = 123692498122123442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248689261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124344530 + 124344531.

It is an arithmetic number, because the mean of its divisors is an integer number (124344531).

Almost surely, 2^248689061 is an apocalyptic number.

It is an amenable number.

248689061 is a deficient number, since it is larger than the sum of its proper divisors (1).

248689061 is an equidigital number, since it uses as much as digits as its factorization.

248689061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 248689061 is about 15769.8782810775. The cubic root of 248689061 is about 628.8574748922.

The spelling of 248689061 in words is "two hundred forty-eight million, six hundred eighty-nine thousand, sixty-one".