249927061 has 4 divisors (see below), whose sum is σ = 249990624. Its totient is φ = 249863500.

The previous prime is 249927049. The next prime is 249927077. The reversal of 249927061 is 160729942.

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 not a de Polignac number, because 249927061 - 2¹⁹ = 249402773 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 (249927031) 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, 25465 + ... + 33886.

It is an arithmetic number, because the mean of its divisors is an integer number (62497656).

Almost surely, 2^249927061 is an apocalyptic number.

It is an amenable number.

249927061 is a deficient number, since it is larger than the sum of its proper divisors (63563).

249927061 is an equidigital number, since it uses as much as digits as its factorization.

249927061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63562.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 249927061 is about 15809.0815988785. The cubic root of 249927061 is about 629.8992540674.

The spelling of 249927061 in words is "two hundred forty-nine million, nine hundred twenty-seven thousand, sixty-one".