472155539 has 2 divisors, whose sum is σ = 472155540. Its totient is φ = 472155538.

The previous prime is 472155527. The next prime is 472155599. The reversal of 472155539 is 935551274.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472155539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472155496 and 472155505.

It is not a weakly prime, because it can be changed into another prime (472155599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236077769 + 236077770.

It is an arithmetic number, because the mean of its divisors is an integer number (236077770).

Almost surely, 2^472155539 is an apocalyptic number.

472155539 is a deficient number, since it is larger than the sum of its proper divisors (1).

472155539 is an equidigital number, since it uses as much as digits as its factorization.

472155539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 41.

The square root of 472155539 is about 21729.1403189358. The cubic root of 472155539 is about 778.6847981845.

The spelling of 472155539 in words is "four hundred seventy-two million, one hundred fifty-five thousand, five hundred thirty-nine".