537138047 has 2 divisors, whose sum is σ = 537138048. Its totient is φ = 537138046.

The previous prime is 537137981. The next prime is 537138053. The reversal of 537138047 is 740831735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 537138047 - 2¹² = 537133951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 537138047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537138097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268569023 + 268569024.

It is an arithmetic number, because the mean of its divisors is an integer number (268569024).

Almost surely, 2^537138047 is an apocalyptic number.

537138047 is a deficient number, since it is larger than the sum of its proper divisors (1).

537138047 is an equidigital number, since it uses as much as digits as its factorization.

537138047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 537138047 is about 23176.2388449895. The cubic root of 537138047 is about 812.8841182412.

The spelling of 537138047 in words is "five hundred thirty-seven million, one hundred thirty-eight thousand, forty-seven".