4820261 has 4 divisors (see below), whose sum is σ = 4888224. Its totient is φ = 4752300.

The previous prime is 4820251. The next prime is 4820269. The reversal of 4820261 is 1620284.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4820261 is a prime.

It is a super-2 number, since 2×4820261² = 46469832216242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4820269) 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, 33875 + ... + 34016.

It is an arithmetic number, because the mean of its divisors is an integer number (1222056).

Almost surely, 2^4820261 is an apocalyptic number.

It is an amenable number.

4820261 is a deficient number, since it is larger than the sum of its proper divisors (67963).

4820261 is an equidigital number, since it uses as much as digits as its factorization.

4820261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67962.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4820261 is about 2195.5092803265. The cubic root of 4820261 is about 168.9235441894.

Adding to 4820261 its sum of digits (23), we get a palindrome (4820284).

The spelling of 4820261 in words is "four million, eight hundred twenty thousand, two hundred sixty-one".