7333561 has 2 divisors, whose sum is σ = 7333562. Its totient is φ = 7333560.

The previous prime is 7333541. The next prime is 7333567. The reversal of 7333561 is 1653337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4161600 + 3171961 = 2040^2 + 1781^2 .

It is a cyclic number.

It is not a de Polignac number, because 7333561 - 2⁹ = 7333049 is a prime.

It is a super-2 number, since 2×7333561² = 107562233881442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7333567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3666780 + 3666781.

It is an arithmetic number, because the mean of its divisors is an integer number (3666781).

Almost surely, 2^7333561 is an apocalyptic number.

It is an amenable number.

7333561 is a deficient number, since it is larger than the sum of its proper divisors (1).

7333561 is an equidigital number, since it uses as much as digits as its factorization.

7333561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 28.

The square root of 7333561 is about 2708.0548369632. The cubic root of 7333561 is about 194.2845666177.

Adding to 7333561 its reverse (1653337), we get a palindrome (8986898).

The spelling of 7333561 in words is "seven million, three hundred thirty-three thousand, five hundred sixty-one".