272431013 has 2 divisors, whose sum is σ = 272431014. Its totient is φ = 272431012.

The previous prime is 272430989. The next prime is 272431057. The reversal of 272431013 is 310134272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272184004 + 247009 = 16498^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 272431013 - 2¹⁴ = 272414629 is a prime.

It is a Sophie Germain 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 272431013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272430013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136215506 + 136215507.

It is an arithmetic number, because the mean of its divisors is an integer number (136215507).

Almost surely, 2^272431013 is an apocalyptic number.

It is an amenable number.

272431013 is a deficient number, since it is larger than the sum of its proper divisors (1).

272431013 is an equidigital number, since it uses as much as digits as its factorization.

272431013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 272431013 is about 16505.4843309731. The cubic root of 272431013 is about 648.2644136656.

Adding to 272431013 its reverse (310134272), we get a palindrome (582565285).

The spelling of 272431013 in words is "two hundred seventy-two million, four hundred thirty-one thousand, thirteen".