4280761 has 3 divisors (see below), whose sum is σ = 4282831. Its totient is φ = 4278692.

The previous prime is 4280747. The next prime is 4280767. The reversal of 4280761 is 1670824.

The square root of 4280761 is 2069.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 670761 + 3610000 = 819^2 + 1900^2 .

It is not a de Polignac number, because 4280761 - 2⁹ = 4280249 is a prime.

It is a super-3 number, since 3×4280761³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4280767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1035 + ... + 3103.

Almost surely, 2^4280761 is an apocalyptic number.

4280761 is the 2069-th square number.

4280761 is the 1035-th centered octagonal number.

It is an amenable number.

4280761 is a deficient number, since it is larger than the sum of its proper divisors (2070).

4280761 is an frugal number, since it uses more digits than its factorization.

4280761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The cubic root of 4280761 is about 162.3704498031.

It can be divided in two parts, 4280 and 761, that added together give a square (5041 = 71²).

The spelling of 4280761 in words is "four million, two hundred eighty thousand, seven hundred sixty-one".