248961363481 has 2 divisors, whose sum is σ = 248961363482. Its totient is φ = 248961363480.

The previous prime is 248961363437. The next prime is 248961363517. The reversal of 248961363481 is 184363169842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240840470025 + 8120893456 = 490755^2 + 90116^2 .

It is a cyclic number.

It is not a de Polignac number, because 248961363481 - 2¹¹ = 248961361433 is a prime.

It is a super-2 number, since 2×248961363481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (248961363881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124480681740 + 124480681741.

It is an arithmetic number, because the mean of its divisors is an integer number (124480681741).

Almost surely, 2^248961363481 is an apocalyptic number.

It is an amenable number.

248961363481 is a deficient number, since it is larger than the sum of its proper divisors (1).

248961363481 is an equidigital number, since it uses as much as digits as its factorization.

248961363481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 55.

The spelling of 248961363481 in words is "two hundred forty-eight billion, nine hundred sixty-one million, three hundred sixty-three thousand, four hundred eighty-one".