5240991 has 24 divisors (see below), whose sum is σ = 8232624. Its totient is φ = 2956800.

The previous prime is 5240959. The next prime is 5240993. The reversal of 5240991 is 1990425.

It is a happy number.

5240991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5240991 - 2⁵ = 5240959 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5240993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14671 + ... + 15023.

It is an arithmetic number, because the mean of its divisors is an integer number (343026).

Almost surely, 2^5240991 is an apocalyptic number.

5240991 is a deficient number, since it is larger than the sum of its proper divisors (2991633).

5240991 is a wasteful number, since it uses less digits than its factorization.

5240991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 5240991 is about 2289.3210783986. The cubic root of 5240991 is about 173.7018609630.

The spelling of 5240991 in words is "five million, two hundred forty thousand, nine hundred ninety-one".