7238561 has 4 divisors (see below), whose sum is σ = 7896624. Its totient is φ = 6580500.

The previous prime is 7238551. The next prime is 7238573. The reversal of 7238561 is 1658327.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 7238561 - 2¹⁴ = 7222177 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7238551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329015 + ... + 329036.

It is an arithmetic number, because the mean of its divisors is an integer number (1974156).

Almost surely, 2^7238561 is an apocalyptic number.

It is an amenable number.

7238561 is a deficient number, since it is larger than the sum of its proper divisors (658063).

7238561 is a wasteful number, since it uses less digits than its factorization.

7238561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658062.

The product of its digits is 10080, while the sum is 32.

The square root of 7238561 is about 2690.4573960574. The cubic root of 7238561 is about 193.4419877417.

The spelling of 7238561 in words is "seven million, two hundred thirty-eight thousand, five hundred sixty-one".