615420341 has 2 divisors, whose sum is σ = 615420342. Its totient is φ = 615420340.

The previous prime is 615420319. The next prime is 615420353. The reversal of 615420341 is 143024516.

615420341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388917841 + 226502500 = 19721^2 + 15050^2 .

It is a cyclic number.

It is not a de Polignac number, because 615420341 - 2¹⁸ = 615158197 is a prime.

It is a super-2 number, since 2×615420341² = 757484392233112562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 615420341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (615420391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307710170 + 307710171.

It is an arithmetic number, because the mean of its divisors is an integer number (307710171).

Almost surely, 2^615420341 is an apocalyptic number.

It is an amenable number.

615420341 is a deficient number, since it is larger than the sum of its proper divisors (1).

615420341 is an equidigital number, since it uses as much as digits as its factorization.

615420341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 615420341 is about 24807.6669801898. Note that the first 3 decimals coincide. The cubic root of 615420341 is about 850.5972001543.

Adding to 615420341 its reverse (143024516), we get a palindrome (758444857).

The spelling of 615420341 in words is "six hundred fifteen million, four hundred twenty thousand, three hundred forty-one".