537008381 has 64 divisors (see below), whose sum is σ = 738017280. Its totient is φ = 378846720.

The previous prime is 537008377. The next prime is 537008387. The reversal of 537008381 is 183800735.

It is not a de Polignac number, because 537008381 - 2² = 537008377 is a prime.

It is a super-2 number, since 2×537008381² = 576756002528482322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537008387) 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, 2304641 + ... + 2304873.

It is an arithmetic number, because the mean of its divisors is an integer number (11531520).

Almost surely, 2^537008381 is an apocalyptic number.

It is an amenable number.

537008381 is a deficient number, since it is larger than the sum of its proper divisors (201008899).

537008381 is a wasteful number, since it uses less digits than its factorization.

537008381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 537008381 is about 23173.4412852300. The cubic root of 537008381 is about 812.8187024601.

The spelling of 537008381 in words is "five hundred thirty-seven million, eight thousand, three hundred eighty-one".