249476465 has 8 divisors (see below), whose sum is σ = 342139200. Its totient is φ = 171069552.

The previous prime is 249476453. The next prime is 249476467. The reversal of 249476465 is 564674942.

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 249476465 - 2⁸ = 249476209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249476467) 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, 3563915 + ... + 3563984.

It is an arithmetic number, because the mean of its divisors is an integer number (42767400).

Almost surely, 2^249476465 is an apocalyptic number.

It is an amenable number.

249476465 is a deficient number, since it is larger than the sum of its proper divisors (92662735).

249476465 is an equidigital number, since it uses as much as digits as its factorization.

249476465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127911.

The product of its digits is 1451520, while the sum is 47.

The square root of 249476465 is about 15794.8239939545. The cubic root of 249476465 is about 629.5204757849.

The spelling of 249476465 in words is "two hundred forty-nine million, four hundred seventy-six thousand, four hundred sixty-five".