249829655 has 4 divisors (see below), whose sum is σ = 299795592. Its totient is φ = 199863720.

The previous prime is 249829639. The next prime is 249829691. The reversal of 249829655 is 556928942.

249829655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 249829655 - 2⁴ = 249829639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24982961 + ... + 24982970.

It is an arithmetic number, because the mean of its divisors is an integer number (74948898).

Almost surely, 2^249829655 is an apocalyptic number.

249829655 is a deficient number, since it is larger than the sum of its proper divisors (49965937).

249829655 is an equidigital number, since it uses as much as digits as its factorization.

249829655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49965936.

The product of its digits is 1555200, while the sum is 50.

The square root of 249829655 is about 15806.0006010376. Note that the first 3 decimals coincide. The cubic root of 249829655 is about 629.8174116035.

The spelling of 249829655 in words is "two hundred forty-nine million, eight hundred twenty-nine thousand, six hundred fifty-five".