270240403 has 2 divisors, whose sum is σ = 270240404. Its totient is φ = 270240402.

The previous prime is 270240391. The next prime is 270240419. The reversal of 270240403 is 304042072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 270240403 - 2⁵ = 270240371 is a prime.

It is not a weakly prime, because it can be changed into another prime (270240493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135120201 + 135120202.

It is an arithmetic number, because the mean of its divisors is an integer number (135120202).

Almost surely, 2^270240403 is an apocalyptic number.

270240403 is a deficient number, since it is larger than the sum of its proper divisors (1).

270240403 is an equidigital number, since it uses as much as digits as its factorization.

270240403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 270240403 is about 16438.9903278760. The cubic root of 270240403 is about 646.5221769798.

Adding to 270240403 its reverse (304042072), we get a palindrome (574282475).

The spelling of 270240403 in words is "two hundred seventy million, two hundred forty thousand, four hundred three".