5254991 has 4 divisors (see below), whose sum is σ = 6005712. Its totient is φ = 4504272.

The previous prime is 5254943. The next prime is 5255009. The reversal of 5254991 is 1994525.

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 5254991 - 2⁶ = 5254927 is a prime.

It is a super-2 number, since 2×5254991² = 55229860820162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5254091) 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, 375350 + ... + 375363.

It is an arithmetic number, because the mean of its divisors is an integer number (1501428).

Almost surely, 2^5254991 is an apocalyptic number.

5254991 is a deficient number, since it is larger than the sum of its proper divisors (750721).

5254991 is an equidigital number, since it uses as much as digits as its factorization.

5254991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750720.

The product of its digits is 16200, while the sum is 35.

The square root of 5254991 is about 2292.3767142422. The cubic root of 5254991 is about 173.8563905117.

The spelling of 5254991 in words is "five million, two hundred fifty-four thousand, nine hundred ninety-one".