537357491 has 12 divisors (see below), whose sum is σ = 593673696. Its totient is φ = 486005520.

The previous prime is 537357473. The next prime is 537357497. The reversal of 537357491 is 194753735.

It is not a de Polignac number, because 537357491 - 2¹⁰ = 537356467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537357497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12566 + ... + 35108.

It is an arithmetic number, because the mean of its divisors is an integer number (49472808).

Almost surely, 2^537357491 is an apocalyptic number.

537357491 is a deficient number, since it is larger than the sum of its proper divisors (56316205).

537357491 is a wasteful number, since it uses less digits than its factorization.

537357491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22762 (or 22751 counting only the distinct ones).

The product of its digits is 396900, while the sum is 44.

The square root of 537357491 is about 23180.9726068601. The cubic root of 537357491 is about 812.9948025470.

The spelling of 537357491 in words is "five hundred thirty-seven million, three hundred fifty-seven thousand, four hundred ninety-one".