2263625561 has 8 divisors (see below), whose sum is σ = 2272573800. Its totient is φ = 2254692352.

The previous prime is 2263625557. The next prime is 2263625579. The reversal of 2263625561 is 1655263622.

It can be written as a sum of positive squares in 4 ways, for example, as 742235536 + 1521390025 = 27244^2 + 39005^2 .

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 2263625561 - 2² = 2263625557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2263625261) 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 7 ways as a sum of consecutive naturals, for example, 367241 + ... + 373353.

It is an arithmetic number, because the mean of its divisors is an integer number (284071725).

Almost surely, 2^2263625561 is an apocalyptic number.

It is an amenable number.

2263625561 is a deficient number, since it is larger than the sum of its proper divisors (8948239).

2263625561 is a wasteful number, since it uses less digits than its factorization.

2263625561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515.

The product of its digits is 129600, while the sum is 38.

The square root of 2263625561 is about 47577.5741395040. The cubic root of 2263625561 is about 1313.0104919842.

The spelling of 2263625561 in words is "two billion, two hundred sixty-three million, six hundred twenty-five thousand, five hundred sixty-one".