2254364561 has 8 divisors (see below), whose sum is σ = 2340069480. Its totient is φ = 2169190912.

The previous prime is 2254364513. The next prime is 2254364597. The reversal of 2254364561 is 1654634522.

It can be written as a sum of positive squares in 4 ways, for example, as 662753536 + 1591611025 = 25744^2 + 39895^2 .

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-2254364561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2254369561) 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, 124160 + ... + 141153.

It is an arithmetic number, because the mean of its divisors is an integer number (292508685).

Almost surely, 2^2254364561 is an apocalyptic number.

It is an amenable number.

2254364561 is a deficient number, since it is larger than the sum of its proper divisors (85704919).

2254364561 is a wasteful number, since it uses less digits than its factorization.

2254364561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265635.

The product of its digits is 172800, while the sum is 38.

The square root of 2254364561 is about 47480.1491257136. The cubic root of 2254364561 is about 1311.2174376646.

The spelling of 2254364561 in words is "two billion, two hundred fifty-four million, three hundred sixty-four thousand, five hundred sixty-one".