4779961 has 2 divisors, whose sum is σ = 4779962. Its totient is φ = 4779960.

The previous prime is 4779959. The next prime is 4779979. The reversal of 4779961 is 1699774.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 1838736 = 1715^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 4779961 - 2¹ = 4779959 is a prime.

Together with 4779959, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4779991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389980 + 2389981.

It is an arithmetic number, because the mean of its divisors is an integer number (2389981).

Almost surely, 2^4779961 is an apocalyptic number.

It is an amenable number.

4779961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4779961 is an equidigital number, since it uses as much as digits as its factorization.

4779961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The square root of 4779961 is about 2186.3121917970. The cubic root of 4779961 is about 168.4514619211.

It can be divided in two parts, 47 and 79961, that added together give a palindrome (80008).

The spelling of 4779961 in words is "four million, seven hundred seventy-nine thousand, nine hundred sixty-one".