4961669 has 2 divisors, whose sum is σ = 4961670. Its totient is φ = 4961668.

The previous prime is 4961659. The next prime is 4961689. The reversal of 4961669 is 9661694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4571044 + 390625 = 2138^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4961669 - 2²⁰ = 3913093 is a prime.

It is a super-2 number, since 2×4961669² = 49236318531122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4961609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480834 + 2480835.

It is an arithmetic number, because the mean of its divisors is an integer number (2480835).

Almost surely, 2^4961669 is an apocalyptic number.

It is an amenable number.

4961669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4961669 is an equidigital number, since it uses as much as digits as its factorization.

4961669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 4961669 is about 2227.4804151777. The cubic root of 4961669 is about 170.5595060080.

The spelling of 4961669 in words is "four million, nine hundred sixty-one thousand, six hundred sixty-nine".