249063213 has 16 divisors (see below), whose sum is σ = 379788416. Its totient is φ = 142223040.

The previous prime is 249063211. The next prime is 249063257. The reversal of 249063213 is 312360942.

It is not a de Polignac number, because 249063213 - 2¹ = 249063211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249063211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35895 + ... + 42267.

It is an arithmetic number, because the mean of its divisors is an integer number (23736776).

Almost surely, 2^249063213 is an apocalyptic number.

It is an amenable number.

249063213 is a deficient number, since it is larger than the sum of its proper divisors (130725203).

249063213 is a wasteful number, since it uses less digits than its factorization.

249063213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 249063213 is about 15781.7366915052. The cubic root of 249063213 is about 629.1726883059.

It can be divided in two parts, 2490 and 63213, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 249063213 in words is "two hundred forty-nine million, sixty-three thousand, two hundred thirteen".