249470295 has 16 divisors (see below), whose sum is σ = 399396192. Its totient is φ = 132969600.

The previous prime is 249470269. The next prime is 249470321. The reversal of 249470295 is 592074942.

It is an interprime number because it is at equal distance from previous prime (249470269) and next prime (249470321).

It is not a de Polignac number, because 249470295 - 2¹⁵ = 249437527 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26745 + ... + 34845.

It is an arithmetic number, because the mean of its divisors is an integer number (24962262).

Almost surely, 2^249470295 is an apocalyptic number.

249470295 is a deficient number, since it is larger than the sum of its proper divisors (149925897).

249470295 is a wasteful number, since it uses less digits than its factorization.

249470295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10162.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 249470295 is about 15794.6286755973. The cubic root of 249470295 is about 629.5152860190.

The spelling of 249470295 in words is "two hundred forty-nine million, four hundred seventy thousand, two hundred ninety-five".