249014405 has 8 divisors (see below), whose sum is σ = 304455672. Its totient is φ = 195452608.

The previous prime is 249014369. The next prime is 249014407. The reversal of 249014405 is 504410942.

It can be written as a sum of positive squares in 4 ways, for example, as 4592449 + 244421956 = 2143^2 + 15634^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 249014405 - 2⁶ = 249014341 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 (249014407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469574 + ... + 470103.

It is an arithmetic number, because the mean of its divisors is an integer number (38056959).

Almost surely, 2^249014405 is an apocalyptic number.

It is an amenable number.

249014405 is a deficient number, since it is larger than the sum of its proper divisors (55441267).

249014405 is an equidigital number, since it uses as much as digits as its factorization.

249014405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939735.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 249014405 is about 15780.1902713497. The cubic root of 249014405 is about 629.1315867366.

The spelling of 249014405 in words is "two hundred forty-nine million, fourteen thousand, four hundred five".