4649261 has 2 divisors, whose sum is σ = 4649262. Its totient is φ = 4649260.

The previous prime is 4649231. The next prime is 4649269. The reversal of 4649261 is 1629464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2706025 + 1943236 = 1645^2 + 1394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4649261 is a prime.

It is a super-2 number, since 2×4649261² = 43231255692242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4649269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324630 + 2324631.

It is an arithmetic number, because the mean of its divisors is an integer number (2324631).

Almost surely, 2^4649261 is an apocalyptic number.

It is an amenable number.

4649261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4649261 is an equidigital number, since it uses as much as digits as its factorization.

4649261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 4649261 is about 2156.2145069543. The cubic root of 4649261 is about 166.9019109158.

The spelling of 4649261 in words is "four million, six hundred forty-nine thousand, two hundred sixty-one".