249349241 has 4 divisors (see below), whose sum is σ = 254654592. Its totient is φ = 244043892.

The previous prime is 249349207. The next prime is 249349291. The reversal of 249349241 is 142943942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249349241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 249349195 and 249349204.

It is not an unprimeable number, because it can be changed into a prime (249349291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652605 + ... + 2652698.

It is an arithmetic number, because the mean of its divisors is an integer number (63663648).

Almost surely, 2^249349241 is an apocalyptic number.

It is an amenable number.

249349241 is a deficient number, since it is larger than the sum of its proper divisors (5305351).

249349241 is an equidigital number, since it uses as much as digits as its factorization.

249349241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305350.

The product of its digits is 62208, while the sum is 38.

The square root of 249349241 is about 15790.7960850617. The cubic root of 249349241 is about 629.4134466760.

The spelling of 249349241 in words is "two hundred forty-nine million, three hundred forty-nine thousand, two hundred forty-one".