7615441 has 2 divisors, whose sum is σ = 7615442. Its totient is φ = 7615440.

The previous prime is 7615417. The next prime is 7615459. The reversal of 7615441 is 1445167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7403841 + 211600 = 2721^2 + 460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7615441 is a prime.

It is a super-3 number, since 3×7615441³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7615471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3807720 + 3807721.

It is an arithmetic number, because the mean of its divisors is an integer number (3807721).

Almost surely, 2^7615441 is an apocalyptic number.

It is an amenable number.

7615441 is a deficient number, since it is larger than the sum of its proper divisors (1).

7615441 is an equidigital number, since it uses as much as digits as its factorization.

7615441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 7615441 is about 2759.6088490944. The cubic root of 7615441 is about 196.7425756318.

Subtracting from 7615441 its product of digits (3360), we obtain a square (7612081 = 2759²).

The spelling of 7615441 in words is "seven million, six hundred fifteen thousand, four hundred forty-one".