248971337 has 2 divisors, whose sum is σ = 248971338. Its totient is φ = 248971336.

The previous prime is 248971313. The next prime is 248971381. The reversal of 248971337 is 733179842.

It is an a-pointer prime, because the next prime (248971381) can be obtained adding 248971337 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165997456 + 82973881 = 12884^2 + 9109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248971337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248971237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124485668 + 124485669.

It is an arithmetic number, because the mean of its divisors is an integer number (124485669).

Almost surely, 2^248971337 is an apocalyptic number.

It is an amenable number.

248971337 is a deficient number, since it is larger than the sum of its proper divisors (1).

248971337 is an equidigital number, since it uses as much as digits as its factorization.

248971337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 248971337 is about 15778.8255900114. The cubic root of 248971337 is about 629.0953144021.

The spelling of 248971337 in words is "two hundred forty-eight million, nine hundred seventy-one thousand, three hundred thirty-seven".