538261003 has 8 divisors (see below), whose sum is σ = 615552480. Its totient is φ = 461068800.

The previous prime is 538260991. The next prime is 538261033. The reversal of 538261003 is 300162835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538261003 - 2⁹ = 538260491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538261033) 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 7 ways as a sum of consecutive naturals, for example, 12808 + ... + 35221.

It is an arithmetic number, because the mean of its divisors is an integer number (76944060).

Almost surely, 2^538261003 is an apocalyptic number.

538261003 is a deficient number, since it is larger than the sum of its proper divisors (77291477).

538261003 is a wasteful number, since it uses less digits than its factorization.

538261003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49637.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 538261003 is about 23200.4526464464. The cubic root of 538261003 is about 813.4502034460.

The spelling of 538261003 in words is "five hundred thirty-eight million, two hundred sixty-one thousand, three".