7255641 has 4 divisors (see below), whose sum is σ = 9674192. Its totient is φ = 4837092.

The previous prime is 7255639. The next prime is 7255681. The reversal of 7255641 is 1465527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7255641 - 2¹ = 7255639 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7255599 and 7255608.

It is not an unprimeable number, because it can be changed into a prime (7255621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209271 + ... + 1209276.

It is an arithmetic number, because the mean of its divisors is an integer number (2418548).

Almost surely, 2^7255641 is an apocalyptic number.

It is an amenable number.

7255641 is a deficient number, since it is larger than the sum of its proper divisors (2418551).

7255641 is a wasteful number, since it uses less digits than its factorization.

7255641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418550.

The product of its digits is 8400, while the sum is 30.

The square root of 7255641 is about 2693.6297072909. The cubic root of 7255641 is about 193.5940158345.

The spelling of 7255641 in words is "seven million, two hundred fifty-five thousand, six hundred forty-one".