538922251 has 32 divisors (see below), whose sum is σ = 664401920. Its totient is φ = 426902400.

The previous prime is 538922249. The next prime is 538922261. The reversal of 538922251 is 152229835.

It is not a de Polignac number, because 538922251 - 2¹ = 538922249 is a prime.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 538922251 = 372³ + 787³ = 544³ + 723³.

It is a self number, because there is not a number n which added to its sum of digits gives 538922251.

It is not an unprimeable number, because it can be changed into a prime (538922201) 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 31 ways as a sum of consecutive naturals, for example, 1468270 + ... + 1468636.

It is an arithmetic number, because the mean of its divisors is an integer number (20762560).

Almost surely, 2^538922251 is an apocalyptic number.

538922251 is a deficient number, since it is larger than the sum of its proper divisors (125479669).

538922251 is a wasteful number, since it uses less digits than its factorization.

538922251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its digits is 43200, while the sum is 37.

The square root of 538922251 is about 23214.6990288481. The cubic root of 538922251 is about 813.7831721498.

The spelling of 538922251 in words is "five hundred thirty-eight million, nine hundred twenty-two thousand, two hundred fifty-one".