281540050523 has 2 divisors, whose sum is σ = 281540050524. Its totient is φ = 281540050522.

The previous prime is 281540050373. The next prime is 281540050559. The reversal of 281540050523 is 325050045182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 281540050523 - 2¹⁶ = 281539984987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (281540055523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140770025261 + 140770025262.

It is an arithmetic number, because the mean of its divisors is an integer number (140770025262).

Almost surely, 2^281540050523 is an apocalyptic number.

281540050523 is a deficient number, since it is larger than the sum of its proper divisors (1).

281540050523 is an equidigital number, since it uses as much as digits as its factorization.

281540050523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 281540050523 in words is "two hundred eighty-one billion, five hundred forty million, fifty thousand, five hundred twenty-three".