7575481 has 2 divisors, whose sum is σ = 7575482. Its totient is φ = 7575480.

The previous prime is 7575473. The next prime is 7575511. The reversal of 7575481 is 1845757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4769856 + 2805625 = 2184^2 + 1675^2 .

It is an emirp because it is prime and its reverse (1845757) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7575481 - 2³ = 7575473 is a prime.

It is a super-2 number, since 2×7575481² = 114775824762722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7575481.

It is not a weakly prime, because it can be changed into another prime (7575401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3787740 + 3787741.

It is an arithmetic number, because the mean of its divisors is an integer number (3787741).

Almost surely, 2^7575481 is an apocalyptic number.

It is an amenable number.

7575481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7575481 is an equidigital number, since it uses as much as digits as its factorization.

7575481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 37.

The square root of 7575481 is about 2752.3591698759. The cubic root of 7575481 is about 196.3978538790.

The spelling of 7575481 in words is "seven million, five hundred seventy-five thousand, four hundred eighty-one".