7048561 has 4 divisors (see below), whose sum is σ = 7590772. Its totient is φ = 6506352.

The previous prime is 7048549. The next prime is 7048567. The reversal of 7048561 is 1658407.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 6477025 = 756^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 7048561 - 2¹⁷ = 6917489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7048567) 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, 271086 + ... + 271111.

It is an arithmetic number, because the mean of its divisors is an integer number (1897693).

Almost surely, 2^7048561 is an apocalyptic number.

It is an amenable number.

7048561 is a deficient number, since it is larger than the sum of its proper divisors (542211).

7048561 is a wasteful number, since it uses less digits than its factorization.

7048561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542210.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7048561 is about 2654.9126162644. The cubic root of 7048561 is about 191.7344509670.

The spelling of 7048561 in words is "seven million, forty-eight thousand, five hundred sixty-one".