537156947 has 4 divisors (see below), whose sum is σ = 539386056. Its totient is φ = 534927840.

The previous prime is 537156931. The next prime is 537156953. The reversal of 537156947 is 749651735.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 537156947 - 2⁴ = 537156931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537156967) 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 in 3 ways as a sum of consecutive naturals, for example, 1114193 + ... + 1114674.

It is an arithmetic number, because the mean of its divisors is an integer number (134846514).

Almost surely, 2^537156947 is an apocalyptic number.

537156947 is a deficient number, since it is larger than the sum of its proper divisors (2229109).

537156947 is a wasteful number, since it uses less digits than its factorization.

537156947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229108.

The product of its digits is 793800, while the sum is 47.

The square root of 537156947 is about 23176.6465865966. The cubic root of 537156947 is about 812.8936523077.

The spelling of 537156947 in words is "five hundred thirty-seven million, one hundred fifty-six thousand, nine hundred forty-seven".