5125591 has 4 divisors (see below), whose sum is σ = 5142384. Its totient is φ = 5108800.

The previous prime is 5125583. The next prime is 5125597. The reversal of 5125591 is 1955215.

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 5125591 - 2³ = 5125583 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 (5125597) 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, 7930 + ... + 8551.

It is an arithmetic number, because the mean of its divisors is an integer number (1285596).

Almost surely, 2^5125591 is an apocalyptic number.

5125591 is a deficient number, since it is larger than the sum of its proper divisors (16793).

5125591 is a wasteful number, since it uses less digits than its factorization.

5125591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16792.

The product of its digits is 2250, while the sum is 28.

The square root of 5125591 is about 2263.9768108353. The cubic root of 5125591 is about 172.4174890697.

The spelling of 5125591 in words is "five million, one hundred twenty-five thousand, five hundred ninety-one".