538577951 has 2 divisors, whose sum is σ = 538577952. Its totient is φ = 538577950.

The previous prime is 538577939. The next prime is 538577987. The reversal of 538577951 is 159775835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538577951 - 2¹⁸ = 538315807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538577951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538577251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269288975 + 269288976.

It is an arithmetic number, because the mean of its divisors is an integer number (269288976).

Almost surely, 2^538577951 is an apocalyptic number.

538577951 is a deficient number, since it is larger than the sum of its proper divisors (1).

538577951 is an equidigital number, since it uses as much as digits as its factorization.

538577951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323000, while the sum is 50.

The square root of 538577951 is about 23207.2822838005. The cubic root of 538577951 is about 813.6098353131.

The spelling of 538577951 in words is "five hundred thirty-eight million, five hundred seventy-seven thousand, nine hundred fifty-one".