249652274 has 8 divisors (see below), whose sum is σ = 375118128. Its totient is φ = 124612900.

The previous prime is 249652241. The next prime is 249652301. The reversal of 249652274 is 472256942.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 105152 + ... + 107499.

It is an arithmetic number, because the mean of its divisors is an integer number (46889766).

Almost surely, 2^249652274 is an apocalyptic number.

249652274 is a deficient number, since it is larger than the sum of its proper divisors (125465854).

249652274 is a wasteful number, since it uses less digits than its factorization.

249652274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213240.

The product of its digits is 241920, while the sum is 41.

The square root of 249652274 is about 15800.3884129473. The cubic root of 249652274 is about 629.6683178902.

The spelling of 249652274 in words is "two hundred forty-nine million, six hundred fifty-two thousand, two hundred seventy-four".