281148047 has 2 divisors, whose sum is σ = 281148048. Its totient is φ = 281148046.

The previous prime is 281148041. The next prime is 281148053. The reversal of 281148047 is 740841182.

It is a balanced prime because it is at equal distance from previous prime (281148041) and next prime (281148053).

It is a cyclic number.

It is not a de Polignac number, because 281148047 - 2⁶ = 281147983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 281147998 and 281148016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281148041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140574023 + 140574024.

It is an arithmetic number, because the mean of its divisors is an integer number (140574024).

Almost surely, 2^281148047 is an apocalyptic number.

281148047 is a deficient number, since it is larger than the sum of its proper divisors (1).

281148047 is an equidigital number, since it uses as much as digits as its factorization.

281148047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 281148047 is about 16767.4699045503. The cubic root of 281148047 is about 655.1061708516.

The spelling of 281148047 in words is "two hundred eighty-one million, one hundred forty-eight thousand, forty-seven".