249793533 has 24 divisors (see below), whose sum is σ = 397309536. Its totient is φ = 149968800.

The previous prime is 249793519. The next prime is 249793543. The reversal of 249793533 is 335397942.

249793533 is a `hidden beast` number, since 2 + 49 + 79 + 3 + 533 = 666.

It is not a de Polignac number, because 249793533 - 2⁶ = 249793469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249793543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1198 + ... + 22383.

It is an arithmetic number, because the mean of its divisors is an integer number (16554564).

Almost surely, 2^249793533 is an apocalyptic number.

It is an amenable number.

249793533 is a deficient number, since it is larger than the sum of its proper divisors (147516003).

249793533 is a wasteful number, since it uses less digits than its factorization.

249793533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23705 (or 23702 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 249793533 is about 15804.8578924329. The cubic root of 249793533 is about 629.7870557715.

The spelling of 249793533 in words is "two hundred forty-nine million, seven hundred ninety-three thousand, five hundred thirty-three".