2265361631 has 8 divisors (see below), whose sum is σ = 2447469024. Its totient is φ = 2084375520.

The previous prime is 2265361613. The next prime is 2265361649. The reversal of 2265361631 is 1361635622.

It is an interprime number because it is at equal distance from previous prime (2265361613) and next prime (2265361649).

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-2265361631 is a prime.

It is a super-2 number, since 2×2265361631² = 10263726638413960322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2265361591 and 2265361600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265361531) 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, 276116 + ... + 284201.

It is an arithmetic number, because the mean of its divisors is an integer number (305933628).

Almost surely, 2^2265361631 is an apocalyptic number.

2265361631 is a deficient number, since it is larger than the sum of its proper divisors (182107393).

2265361631 is a wasteful number, since it uses less digits than its factorization.

2265361631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560641.

The product of its digits is 38880, while the sum is 35.

The square root of 2265361631 is about 47595.8152677313. The cubic root of 2265361631 is about 1313.3460739328.

The spelling of 2265361631 in words is "two billion, two hundred sixty-five million, three hundred sixty-one thousand, six hundred thirty-one".