4625661 has 8 divisors (see below), whose sum is σ = 6318144. Its totient is φ = 3008480.

The previous prime is 4625657. The next prime is 4625701. The reversal of 4625661 is 1665264.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4625661 - 2² = 4625657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4625611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18681 + ... + 18926.

It is an arithmetic number, because the mean of its divisors is an integer number (789768).

Almost surely, 2^4625661 is an apocalyptic number.

4625661 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4625661 is a deficient number, since it is larger than the sum of its proper divisors (1692483).

4625661 is a wasteful number, since it uses less digits than its factorization.

4625661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37651.

The product of its digits is 8640, while the sum is 30.

The square root of 4625661 is about 2150.7349906485. The cubic root of 4625661 is about 166.6190294966.

The spelling of 4625661 in words is "four million, six hundred twenty-five thousand, six hundred sixty-one".