4258661 has 4 divisors (see below), whose sum is σ = 4645824. Its totient is φ = 3871500.

The previous prime is 4258649. The next prime is 4258673. The reversal of 4258661 is 1668524.

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 an interprime number because it is at equal distance from previous prime (4258649) and next prime (4258673).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4258661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4258061) 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, 193565 + ... + 193586.

It is an arithmetic number, because the mean of its divisors is an integer number (1161456).

Almost surely, 2^4258661 is an apocalyptic number.

It is an amenable number.

4258661 is a deficient number, since it is larger than the sum of its proper divisors (387163).

4258661 is a wasteful number, since it uses less digits than its factorization.

4258661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387162.

The product of its digits is 11520, while the sum is 32.

The square root of 4258661 is about 2063.6523447519. The cubic root of 4258661 is about 162.0905478660.

The spelling of 4258661 in words is "four million, two hundred fifty-eight thousand, six hundred sixty-one".