270405613 has 2 divisors, whose sum is σ = 270405614. Its totient is φ = 270405612.

The previous prime is 270405607. The next prime is 270405623. The reversal of 270405613 is 316504072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263023524 + 7382089 = 16218^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 270405613 - 2²¹ = 268308461 is a prime.

It is equal to p_14732209 and since 270405613 and 14732209 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270405623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135202806 + 135202807.

It is an arithmetic number, because the mean of its divisors is an integer number (135202807).

Almost surely, 2^270405613 is an apocalyptic number.

It is an amenable number.

270405613 is a deficient number, since it is larger than the sum of its proper divisors (1).

270405613 is an equidigital number, since it uses as much as digits as its factorization.

270405613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 270405613 is about 16444.0145037640. The cubic root of 270405613 is about 646.6538994126.

Adding to 270405613 its reverse (316504072), we get a palindrome (586909685).

The spelling of 270405613 in words is "two hundred seventy million, four hundred five thousand, six hundred thirteen".