270315421 has 2 divisors, whose sum is σ = 270315422. Its totient is φ = 270315420.

The previous prime is 270315407. The next prime is 270315433. The reversal of 270315421 is 124513072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268599321 + 1716100 = 16389^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 270315421 - 2²³ = 261926813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270315121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135157710 + 135157711.

It is an arithmetic number, because the mean of its divisors is an integer number (135157711).

Almost surely, 2^270315421 is an apocalyptic number.

It is an amenable number.

270315421 is a deficient number, since it is larger than the sum of its proper divisors (1).

270315421 is an equidigital number, since it uses as much as digits as its factorization.

270315421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 270315421 is about 16441.2718790244. The cubic root of 270315421 is about 646.5819957102.

Adding to 270315421 its reverse (124513072), we get a palindrome (394828493).

The spelling of 270315421 in words is "two hundred seventy million, three hundred fifteen thousand, four hundred twenty-one".