253283481 has 12 divisors (see below), whose sum is σ = 399113520. Its totient is φ = 153505080.

The previous prime is 253283473. The next prime is 253283531. The reversal of 253283481 is 184382352.

253283481 is a `hidden beast` number, since 2 + 532 + 83 + 48 + 1 = 666.

253283481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253283481 - 2³ = 253283473 is a prime.

It is a super-2 number, since 2×253283481² = 128305043494954722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253283411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1279111 + ... + 1279308.

It is an arithmetic number, because the mean of its divisors is an integer number (33259460).

Almost surely, 2^253283481 is an apocalyptic number.

It is an amenable number.

253283481 is a deficient number, since it is larger than the sum of its proper divisors (145830039).

253283481 is a wasteful number, since it uses less digits than its factorization.

253283481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558436 (or 2558433 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 253283481 is about 15914.8823746831. The cubic root of 253283481 is about 632.7064892632.

The spelling of 253283481 in words is "two hundred fifty-three million, two hundred eighty-three thousand, four hundred eighty-one".