4625945 has 4 divisors (see below), whose sum is σ = 5551140. Its totient is φ = 3700752.

The previous prime is 4625939. The next prime is 4626001. The reversal of 4625945 is 5495264.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1485961 + 3139984 = 1219^2 + 1772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4625945 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462590 + ... + 462599.

It is an arithmetic number, because the mean of its divisors is an integer number (1387785).

Almost surely, 2^4625945 is an apocalyptic number.

It is an amenable number.

4625945 is a deficient number, since it is larger than the sum of its proper divisors (925195).

4625945 is an equidigital number, since it uses as much as digits as its factorization.

4625945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925194.

The product of its digits is 43200, while the sum is 35.

The square root of 4625945 is about 2150.8010135761. The cubic root of 4625945 is about 166.6224393758.

The spelling of 4625945 in words is "four million, six hundred twenty-five thousand, nine hundred forty-five".