2280287461 has 4 divisors (see below), whose sum is σ = 2280450924. Its totient is φ = 2280124000.

The previous prime is 2280287453. The next prime is 2280287479. The reversal of 2280287461 is 1647820822.

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 1542132900 + 738154561 = 39270^2 + 27169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2280287461 - 2³ = 2280287453 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 (2280287441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58630 + ... + 89431.

It is an arithmetic number, because the mean of its divisors is an integer number (570112731).

Almost surely, 2^2280287461 is an apocalyptic number.

It is an amenable number.

2280287461 is a deficient number, since it is larger than the sum of its proper divisors (163463).

2280287461 is a wasteful number, since it uses less digits than its factorization.

2280287461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163462.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 2280287461 is about 47752.3555544645. The cubic root of 2280287461 is about 1316.2241846449.

The spelling of 2280287461 in words is "two billion, two hundred eighty million, two hundred eighty-seven thousand, four hundred sixty-one".