7405613 has 2 divisors, whose sum is σ = 7405614. Its totient is φ = 7405612.

The previous prime is 7405571. The next prime is 7405627. The reversal of 7405613 is 3165047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6770404 + 635209 = 2602^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 7405613 - 2¹⁸ = 7143469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7405633) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3702806 + 3702807.

It is an arithmetic number, because the mean of its divisors is an integer number (3702807).

Almost surely, 2^7405613 is an apocalyptic number.

It is an amenable number.

7405613 is a deficient number, since it is larger than the sum of its proper divisors (1).

7405613 is an equidigital number, since it uses as much as digits as its factorization.

7405613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 7405613 is about 2721.3255961020. The cubic root of 7405613 is about 194.9187739724.

The spelling of 7405613 in words is "seven million, four hundred five thousand, six hundred thirteen".