249274835 has 8 divisors (see below), whose sum is σ = 300859920. Its totient is φ = 198266464.

The previous prime is 249274811. The next prime is 249274843. The reversal of 249274835 is 538472942.

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 249274835 - 2⁸ = 249274579 is a prime.

It is a super-4 number, since 4×249274835⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143225 + ... + 144954.

It is an arithmetic number, because the mean of its divisors is an integer number (37607490).

Almost surely, 2^249274835 is an apocalyptic number.

249274835 is a deficient number, since it is larger than the sum of its proper divisors (51585085).

249274835 is a wasteful number, since it uses less digits than its factorization.

249274835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288357.

The product of its digits is 483840, while the sum is 44.

The square root of 249274835 is about 15788.4399165972. The cubic root of 249274835 is about 629.3508346334.

The spelling of 249274835 in words is "two hundred forty-nine million, two hundred seventy-four thousand, eight hundred thirty-five".