249275401 has 8 divisors (see below), whose sum is σ = 258282504. Its totient is φ = 240387840.

The previous prime is 249275399. The next prime is 249275419. The reversal of 249275401 is 104572942.

249275401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 53275401 + 196000000 = 7299^2 + 14000^2 .

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 249275401 - 2¹ = 249275399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249275461) 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, 25630 + ... + 33991.

It is an arithmetic number, because the mean of its divisors is an integer number (32285313).

Almost surely, 2^249275401 is an apocalyptic number.

It is an amenable number.

249275401 is a deficient number, since it is larger than the sum of its proper divisors (9007103).

249275401 is a wasteful number, since it uses less digits than its factorization.

249275401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59771.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 249275401 is about 15788.4578410939. The cubic root of 249275401 is about 629.3513109648.

The spelling of 249275401 in words is "two hundred forty-nine million, two hundred seventy-five thousand, four hundred one".