249494627 has 4 divisors (see below), whose sum is σ = 258097920. Its totient is φ = 240891336.

The previous prime is 249494617. The next prime is 249494633. The reversal of 249494627 is 726494942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726494942 = 2 ⋅363247471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249494627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249494617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4301603 + ... + 4301660.

It is an arithmetic number, because the mean of its divisors is an integer number (64524480).

Almost surely, 2^249494627 is an apocalyptic number.

249494627 is a deficient number, since it is larger than the sum of its proper divisors (8603293).

249494627 is an equidigital number, since it uses as much as digits as its factorization.

249494627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8603292.

The product of its digits is 870912, while the sum is 47.

The square root of 249494627 is about 15795.3989186725. The cubic root of 249494627 is about 629.5357518731.

The spelling of 249494627 in words is "two hundred forty-nine million, four hundred ninety-four thousand, six hundred twenty-seven".