2251545959 has 8 divisors (see below), whose sum is σ = 2428464192. Its totient is φ = 2075159520.

The previous prime is 2251545917. The next prime is 2251545983. The reversal of 2251545959 is 9595451522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251545959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251545859) 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, 124127 + ... + 141104.

It is an arithmetic number, because the mean of its divisors is an integer number (303558024).

Almost surely, 2^2251545959 is an apocalyptic number.

2251545959 is a deficient number, since it is larger than the sum of its proper divisors (176918233).

2251545959 is a wasteful number, since it uses less digits than its factorization.

2251545959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265897.

The product of its digits is 810000, while the sum is 47.

The square root of 2251545959 is about 47450.4579429957. The cubic root of 2251545959 is about 1310.6707438575.

The spelling of 2251545959 in words is "two billion, two hundred fifty-one million, five hundred forty-five thousand, nine hundred fifty-nine".