281325253 has 8 divisors (see below), whose sum is σ = 309142080. Its totient is φ = 253882080.

The previous prime is 281325203. The next prime is 281325271. The reversal of 281325253 is 352523182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 281325253 - 2²¹ = 279228101 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 (281325203) 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 7 ways as a sum of consecutive naturals, for example, 91833 + ... + 94846.

It is an arithmetic number, because the mean of its divisors is an integer number (38642760).

Almost surely, 2^281325253 is an apocalyptic number.

It is an amenable number.

281325253 is a deficient number, since it is larger than the sum of its proper divisors (27816827).

281325253 is a wasteful number, since it uses less digits than its factorization.

281325253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186827.

The product of its digits is 14400, while the sum is 31.

The square root of 281325253 is about 16772.7532921700. The cubic root of 281325253 is about 655.2437784974.

The spelling of 281325253 in words is "two hundred eighty-one million, three hundred twenty-five thousand, two hundred fifty-three".