538894251 has 12 divisors (see below), whose sum is σ = 889603312. Its totient is φ = 307939536.

The previous prime is 538894247. The next prime is 538894253. The reversal of 538894251 is 152498835.

538894251 is a `hidden beast` number, since 538 + 8 + 94 + 25 + 1 = 666.

It is not a de Polignac number, because 538894251 - 2² = 538894247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538894197 and 538894206.

It is not an unprimeable number, because it can be changed into a prime (538894253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4276876 + ... + 4277001.

Almost surely, 2^538894251 is an apocalyptic number.

538894251 is a deficient number, since it is larger than the sum of its proper divisors (350709061).

538894251 is a wasteful number, since it uses less digits than its factorization.

538894251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553890 (or 8553887 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 538894251 is about 23214.0959548288. The cubic root of 538894251 is about 813.7690783892.

The spelling of 538894251 in words is "five hundred thirty-eight million, eight hundred ninety-four thousand, two hundred fifty-one".