7250581 has 8 divisors (see below), whose sum is σ = 7832160. Its totient is φ = 6672432.

The previous prime is 7250561. The next prime is 7250599. The reversal of 7250581 is 1850527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7250581 - 2⁹ = 7250069 is a prime.

It is a super-2 number, since 2×7250581² = 105141849675122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7250501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5130 + ... + 6388.

It is an arithmetic number, because the mean of its divisors is an integer number (979020).

Almost surely, 2^7250581 is an apocalyptic number.

It is an amenable number.

7250581 is a deficient number, since it is larger than the sum of its proper divisors (581579).

7250581 is a wasteful number, since it uses less digits than its factorization.

7250581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 7250581 is about 2692.6902903973. The cubic root of 7250581 is about 193.5490019607.

It can be divided in two parts, 72 and 50581, that added together give a cube (50653 = 37³).

The spelling of 7250581 in words is "seven million, two hundred fifty thousand, five hundred eighty-one".