2253909517 has 4 divisors (see below), whose sum is σ = 2258338140. Its totient is φ = 2249480896.

The previous prime is 2253909499. The next prime is 2253909527. The reversal of 2253909517 is 7159093522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1498154436 + 755755081 = 38706^2 + 27491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2253909517 is a prime.

It is a super-2 number, since 2×2253909517² = 10160216221646346578, which contains 22 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 (2253909527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213548 + ... + 2214565.

It is an arithmetic number, because the mean of its divisors is an integer number (564584535).

Almost surely, 2^2253909517 is an apocalyptic number.

It is an amenable number.

2253909517 is a deficient number, since it is larger than the sum of its proper divisors (4428623).

2253909517 is an equidigital number, since it uses as much as digits as its factorization.

2253909517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428622.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 2253909517 is about 47475.3569444191. The cubic root of 2253909517 is about 1311.1292085485.

The spelling of 2253909517 in words is "two billion, two hundred fifty-three million, nine hundred nine thousand, five hundred seventeen".