537228705 has 64 divisors (see below), whose sum is σ = 986711040. Its totient is φ = 247401216.

The previous prime is 537228701. The next prime is 537228709. The reversal of 537228705 is 507822735.

It is an interprime number because it is at equal distance from previous prime (537228701) and next prime (537228709).

It is not a de Polignac number, because 537228705 - 2² = 537228701 is a prime.

It is a super-2 number, since 2×537228705² = 577229362951954050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (537228701) 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 63 ways as a sum of consecutive naturals, for example, 306642 + ... + 308388.

It is an arithmetic number, because the mean of its divisors is an integer number (15417360).

Almost surely, 2^537228705 is an apocalyptic number.

It is an amenable number.

537228705 is a deficient number, since it is larger than the sum of its proper divisors (449482335).

537228705 is a wasteful number, since it uses less digits than its factorization.

537228705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 537228705 is about 23178.1946018235. The cubic root of 537228705 is about 812.9298484485.

The spelling of 537228705 in words is "five hundred thirty-seven million, two hundred twenty-eight thousand, seven hundred five".