248963481 has 12 divisors (see below), whose sum is σ = 387276708. Its totient is φ = 153208224.

The previous prime is 248963467. The next prime is 248963483. The reversal of 248963481 is 184369842.

It is a happy number.

248963481 is a `hidden beast` number, since 2 + 4 + 8 + 9 + 634 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19713600 + 229249881 = 4440^2 + 15141^2 .

It is a de Polignac number, because none of the positive numbers 2^k-248963481 is a prime.

It is a super-2 number, since 2×248963481² = 123965629743274722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248963483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1063830 + ... + 1064063.

It is an arithmetic number, because the mean of its divisors is an integer number (32273059).

Almost surely, 2^248963481 is an apocalyptic number.

It is an amenable number.

248963481 is a deficient number, since it is larger than the sum of its proper divisors (138313227).

248963481 is a wasteful number, since it uses less digits than its factorization.

248963481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127912 (or 2127909 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 248963481 is about 15778.5766468335. The cubic root of 248963481 is about 629.0886975430.

The spelling of 248963481 in words is "two hundred forty-eight million, nine hundred sixty-three thousand, four hundred eighty-one".