4640249 has 2 divisors, whose sum is σ = 4640250. Its totient is φ = 4640248.

The previous prime is 4640231. The next prime is 4640267. The reversal of 4640249 is 9420464.

It is a balanced prime because it is at equal distance from previous prime (4640231) and next prime (4640267).

It can be written as a sum of positive squares in only one way, i.e., 4129024 + 511225 = 2032^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640249 - 2⁸ = 4639993 is a prime.

It is not a weakly prime, because it can be changed into another prime (4840249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320124 + 2320125.

It is an arithmetic number, because the mean of its divisors is an integer number (2320125).

Almost surely, 2^4640249 is an apocalyptic number.

It is an amenable number.

4640249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640249 is an equidigital number, since it uses as much as digits as its factorization.

4640249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 4640249 is about 2154.1237197524. The cubic root of 4640249 is about 166.7940018009.

The spelling of 4640249 in words is "four million, six hundred forty thousand, two hundred forty-nine".