228413539 has 2 divisors, whose sum is σ = 228413540. Its totient is φ = 228413538.

The previous prime is 228413509. The next prime is 228413579. The reversal of 228413539 is 935314822.

228413539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228413539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228413498 and 228413507.

It is not a weakly prime, because it can be changed into another prime (228413509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114206769 + 114206770.

It is an arithmetic number, because the mean of its divisors is an integer number (114206770).

Almost surely, 2^228413539 is an apocalyptic number.

228413539 is a deficient number, since it is larger than the sum of its proper divisors (1).

228413539 is an equidigital number, since it uses as much as digits as its factorization.

228413539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 228413539 is about 15113.3563115544. The cubic root of 228413539 is about 611.2806018166.

The spelling of 228413539 in words is "two hundred twenty-eight million, four hundred thirteen thousand, five hundred thirty-nine".