7258491 has 10 divisors (see below), whose sum is σ = 10843052. Its totient is φ = 4838940.

The previous prime is 7258487. The next prime is 7258519. The reversal of 7258491 is 1948527.

7258491 is a `hidden beast` number, since 72 + 584 + 9 + 1 = 666.

7258491 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 7258491 - 2² = 7258487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7258411) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44725 + ... + 44886.

Almost surely, 2^7258491 is an apocalyptic number.

7258491 is a deficient number, since it is larger than the sum of its proper divisors (3584561).

7258491 is an equidigital number, since it uses as much as digits as its factorization.

7258491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89623 (or 89614 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 7258491 is about 2694.1586812955. The cubic root of 7258491 is about 193.6193602858.

Adding to 7258491 its sum of digits (36), we get a palindrome (7258527).

It can be divided in two parts, 725 and 8491, that added together give a square (9216 = 96²).

The spelling of 7258491 in words is "seven million, two hundred fifty-eight thousand, four hundred ninety-one".