7235561 has 4 divisors (see below), whose sum is σ = 7616400. Its totient is φ = 6854724.

The previous prime is 7235551. The next prime is 7235573. The reversal of 7235561 is 1655327.

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 7235561 - 2⁶ = 7235497 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7235551) 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, 190391 + ... + 190428.

It is an arithmetic number, because the mean of its divisors is an integer number (1904100).

Almost surely, 2^7235561 is an apocalyptic number.

It is an amenable number.

7235561 is a deficient number, since it is larger than the sum of its proper divisors (380839).

7235561 is a wasteful number, since it uses less digits than its factorization.

7235561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380838.

The product of its digits is 6300, while the sum is 29.

The square root of 7235561 is about 2689.8998122607. The cubic root of 7235561 is about 193.4152602309.

The spelling of 7235561 in words is "seven million, two hundred thirty-five thousand, five hundred sixty-one".