248413691 has 2 divisors, whose sum is σ = 248413692. Its totient is φ = 248413690.

The previous prime is 248413679. The next prime is 248413723. The reversal of 248413691 is 196314842.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248413691 is a prime.

It is not a weakly prime, because it can be changed into another prime (248413621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124206845 + 124206846.

It is an arithmetic number, because the mean of its divisors is an integer number (124206846).

Almost surely, 2^248413691 is an apocalyptic number.

248413691 is a deficient number, since it is larger than the sum of its proper divisors (1).

248413691 is an equidigital number, since it uses as much as digits as its factorization.

248413691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 248413691 is about 15761.1449774437. The cubic root of 248413691 is about 628.6252807389.

The spelling of 248413691 in words is "two hundred forty-eight million, four hundred thirteen thousand, six hundred ninety-one".