249874733 has 2 divisors, whose sum is σ = 249874734. Its totient is φ = 249874732.

The previous prime is 249874699. The next prime is 249874769. The reversal of 249874733 is 337478942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197065444 + 52809289 = 14038^2 + 7267^2 .

It is a cyclic number.

It is not a de Polignac number, because 249874733 - 2¹⁰ = 249873709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249874033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124937366 + 124937367.

It is an arithmetic number, because the mean of its divisors is an integer number (124937367).

Almost surely, 2^249874733 is an apocalyptic number.

It is an amenable number.

249874733 is a deficient number, since it is larger than the sum of its proper divisors (1).

249874733 is an equidigital number, since it uses as much as digits as its factorization.

249874733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 47.

The square root of 249874733 is about 15807.4265141420. The cubic root of 249874733 is about 629.8552896820.

The spelling of 249874733 in words is "two hundred forty-nine million, eight hundred seventy-four thousand, seven hundred thirty-three".