249413413 has 4 divisors (see below), whose sum is σ = 249509260. Its totient is φ = 249317568.

The previous prime is 249413407. The next prime is 249413419. The reversal of 249413413 is 314314942.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (249413407) and next prime (249413419).

It can be written as a sum of positive squares in 2 ways, for example, as 131951169 + 117462244 = 11487^2 + 10838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249413413 is a prime.

It is a super-3 number, since 3×249413413³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249413419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43908 + ... + 49261.

It is an arithmetic number, because the mean of its divisors is an integer number (62377315).

Almost surely, 2^249413413 is an apocalyptic number.

It is an amenable number.

249413413 is a deficient number, since it is larger than the sum of its proper divisors (95847).

249413413 is an equidigital number, since it uses as much as digits as its factorization.

249413413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95846.

The product of its digits is 10368, while the sum is 31.

The square root of 249413413 is about 15792.8278974983. The cubic root of 249413413 is about 629.4674368881.

The spelling of 249413413 in words is "two hundred forty-nine million, four hundred thirteen thousand, four hundred thirteen".