4525691 has 4 divisors (see below), whose sum is σ = 4535472. Its totient is φ = 4515912.

The previous prime is 4525663. The next prime is 4525693. The reversal of 4525691 is 1965254.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4525691 - 2⁶ = 4525627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4525693) 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, 4160 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (1133868).

Almost surely, 2^4525691 is an apocalyptic number.

4525691 is a deficient number, since it is larger than the sum of its proper divisors (9781).

4525691 is an equidigital number, since it uses as much as digits as its factorization.

4525691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780.

The product of its digits is 10800, while the sum is 32.

The square root of 4525691 is about 2127.3671521390. The cubic root of 4525691 is about 165.4099509216.

The spelling of 4525691 in words is "four million, five hundred twenty-five thousand, six hundred ninety-one".