248158613 has 2 divisors, whose sum is σ = 248158614. Its totient is φ = 248158612.

The previous prime is 248158579. The next prime is 248158643. The reversal of 248158613 is 316851842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155575729 + 92582884 = 12473^2 + 9622^2 .

It is a cyclic number.

It is not a de Polignac number, because 248158613 - 2⁸ = 248158357 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248158643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124079306 + 124079307.

It is an arithmetic number, because the mean of its divisors is an integer number (124079307).

Almost surely, 2^248158613 is an apocalyptic number.

It is an amenable number.

248158613 is a deficient number, since it is larger than the sum of its proper divisors (1).

248158613 is an equidigital number, since it uses as much as digits as its factorization.

248158613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 248158613 is about 15753.0509108553. The cubic root of 248158613 is about 628.4100438177.

The spelling of 248158613 in words is "two hundred forty-eight million, one hundred fifty-eight thousand, six hundred thirteen".