281225035 has 32 divisors (see below), whose sum is σ = 429690240. Its totient is φ = 171859968.

The previous prime is 281225003. The next prime is 281225039. The reversal of 281225035 is 530522182.

It is not a de Polignac number, because 281225035 - 2⁵ = 281225003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 281224994 and 281225012.

It is not an unprimeable number, because it can be changed into a prime (281225039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2539 + ... + 23851.

It is an arithmetic number, because the mean of its divisors is an integer number (13427820).

Almost surely, 2^281225035 is an apocalyptic number.

281225035 is a deficient number, since it is larger than the sum of its proper divisors (148465205).

281225035 is a wasteful number, since it uses less digits than its factorization.

281225035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21367.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 281225035 is about 16769.7655022365. The cubic root of 281225035 is about 655.1659622575.

The spelling of 281225035 in words is "two hundred eighty-one million, two hundred twenty-five thousand, thirty-five".