2231472539 has 2 divisors, whose sum is σ = 2231472540. Its totient is φ = 2231472538.

The previous prime is 2231472527. The next prime is 2231472589. The reversal of 2231472539 is 9352741322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231472539 is a prime.

It is a super-3 number, since 3×2231472539³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231472589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115736269 + 1115736270.

It is an arithmetic number, because the mean of its divisors is an integer number (1115736270).

Almost surely, 2^2231472539 is an apocalyptic number.

2231472539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231472539 is an equidigital number, since it uses as much as digits as its factorization.

2231472539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 2231472539 is about 47238.4646130672. The cubic root of 2231472539 is about 1306.7640620589.

The spelling of 2231472539 in words is "two billion, two hundred thirty-one million, four hundred seventy-two thousand, five hundred thirty-nine".