7251641 has 8 divisors (see below), whose sum is σ = 7366464. Its totient is φ = 7138000.

The previous prime is 7251637. The next prime is 7251691. The reversal of 7251641 is 1461527.

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 7251641 - 2² = 7251637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7251641.

It is not an unprimeable number, because it can be changed into a prime (7251691) 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, 28766 + ... + 29016.

It is an arithmetic number, because the mean of its divisors is an integer number (920808).

Almost surely, 2^7251641 is an apocalyptic number.

It is an amenable number.

7251641 is a deficient number, since it is larger than the sum of its proper divisors (114823).

7251641 is a wasteful number, since it uses less digits than its factorization.

7251641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its digits is 1680, while the sum is 26.

The square root of 7251641 is about 2692.8871123759. The cubic root of 7251641 is about 193.5584334782.

The spelling of 7251641 in words is "seven million, two hundred fifty-one thousand, six hundred forty-one".