249270029 has 4 divisors (see below), whose sum is σ = 251557020. Its totient is φ = 246983040.

The previous prime is 249270023. The next prime is 249270041. The reversal of 249270029 is 920072942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920072942 = 2 ⋅460036471.

It can be written as a sum of positive squares in 2 ways, for example, as 119355625 + 129914404 = 10925^2 + 11398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249270029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249270023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1143332 + ... + 1143549.

It is an arithmetic number, because the mean of its divisors is an integer number (62889255).

Almost surely, 2^249270029 is an apocalyptic number.

It is an amenable number.

249270029 is a deficient number, since it is larger than the sum of its proper divisors (2286991).

249270029 is a wasteful number, since it uses less digits than its factorization.

249270029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286990.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 249270029 is about 15788.2877158988. The cubic root of 249270029 is about 629.3467899952.

The spelling of 249270029 in words is "two hundred forty-nine million, two hundred seventy thousand, twenty-nine".