7540441 has 2 divisors, whose sum is σ = 7540442. Its totient is φ = 7540440.

The previous prime is 7540439. The next prime is 7540447. The reversal of 7540441 is 1440457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 1390041 = 2480^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 7540441 - 2¹ = 7540439 is a prime.

Together with 7540439, it forms a pair of twin primes.

7540441 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7540447) 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 as a sum of consecutive naturals, namely, 3770220 + 3770221.

It is an arithmetic number, because the mean of its divisors is an integer number (3770221).

Almost surely, 2^7540441 is an apocalyptic number.

It is an amenable number.

7540441 is a deficient number, since it is larger than the sum of its proper divisors (1).

7540441 is an equidigital number, since it uses as much as digits as its factorization.

7540441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 7540441 is about 2745.9863437388. The cubic root of 7540441 is about 196.0945763890.

Adding to 7540441 its reverse (1440457), we get a palindrome (8980898).

The spelling of 7540441 in words is "seven million, five hundred forty thousand, four hundred forty-one".