248623566251 has 2 divisors, whose sum is σ = 248623566252. Its totient is φ = 248623566250.

The previous prime is 248623566197. The next prime is 248623566287. The reversal of 248623566251 is 152665326842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248623566251 - 2²² = 248619371947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248623566251.

It is not a weakly prime, because it can be changed into another prime (248623562251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124311783125 + 124311783126.

It is an arithmetic number, because the mean of its divisors is an integer number (124311783126).

Almost surely, 2^248623566251 is an apocalyptic number.

248623566251 is a deficient number, since it is larger than the sum of its proper divisors (1).

248623566251 is an equidigital number, since it uses as much as digits as its factorization.

248623566251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 50.

The spelling of 248623566251 in words is "two hundred forty-eight billion, six hundred twenty-three million, five hundred sixty-six thousand, two hundred fifty-one".