7250621 has 8 divisors (see below), whose sum is σ = 8553984. Its totient is φ = 6014160.

The previous prime is 7250599. The next prime is 7250629. The reversal of 7250621 is 1260527.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7250621 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 (7250629) 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, 16490 + ... + 16923.

It is an arithmetic number, because the mean of its divisors is an integer number (1069248).

Almost surely, 2^7250621 is an apocalyptic number.

It is an amenable number.

7250621 is a deficient number, since it is larger than the sum of its proper divisors (1303363).

7250621 is a wasteful number, since it uses less digits than its factorization.

7250621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33451.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7250621 is about 2692.6977179030. The cubic root of 7250621 is about 193.5493578837.

It can be divided in two parts, 72506 and 21, that added together give a palindrome (72527).

The spelling of 7250621 in words is "seven million, two hundred fifty thousand, six hundred twenty-one".