263486061 has 8 divisors (see below), whose sum is σ = 390349760. Its totient is φ = 175657356.

The previous prime is 263486059. The next prime is 263486063. The reversal of 263486061 is 160684362.

263486061 is a `hidden beast` number, since 2 + 6 + 3 + 48 + 606 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (263486059) and next prime (263486063).

It is not a de Polignac number, because 263486061 - 2¹ = 263486059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263486063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4879345 + ... + 4879398.

It is an arithmetic number, because the mean of its divisors is an integer number (48793720).

Almost surely, 2^263486061 is an apocalyptic number.

It is an amenable number.

263486061 is a deficient number, since it is larger than the sum of its proper divisors (126863699).

263486061 is an equidigital number, since it uses as much as digits as its factorization.

263486061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9758752 (or 9758746 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 263486061 is about 16232.2537252225. The cubic root of 263486061 is about 641.0903135087.

The spelling of 263486061 in words is "two hundred sixty-three million, four hundred eighty-six thousand, sixty-one".