7250557 has 8 divisors (see below), whose sum is σ = 7510016. Its totient is φ = 6994512.

The previous prime is 7250527. The next prime is 7250561. The reversal of 7250557 is 7550527.

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

It is a cyclic number.

It is not a de Polignac number, because 7250557 - 2⁷ = 7250429 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 (7250527) 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, 3928 + ... + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (938752).

Almost surely, 2^7250557 is an apocalyptic number.

It is an amenable number.

7250557 is a deficient number, since it is larger than the sum of its proper divisors (259459).

7250557 is a wasteful number, since it uses less digits than its factorization.

7250557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 7250557 is about 2692.6858338841. The cubic root of 7250557 is about 193.5487884063.

The spelling of 7250557 in words is "seven million, two hundred fifty thousand, five hundred fifty-seven".