538545951 has 12 divisors (see below), whose sum is σ = 778110840. Its totient is φ = 358933200.

The previous prime is 538545901. The next prime is 538545961. The reversal of 538545951 is 159545835.

538545951 is a `hidden beast` number, since 5 + 3 + 8 + 54 + 595 + 1 = 666.

It is not a de Polignac number, because 538545951 - 2¹⁷ = 538414879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538545897 and 538545906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538545901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45565 + ... + 56153.

It is an arithmetic number, because the mean of its divisors is an integer number (64842570).

Almost surely, 2^538545951 is an apocalyptic number.

538545951 is a deficient number, since it is larger than the sum of its proper divisors (239564889).

538545951 is a wasteful number, since it uses less digits than its factorization.

538545951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16246 (or 16243 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 538545951 is about 23206.5928347959. The cubic root of 538545951 is about 813.5937212543.

The spelling of 538545951 in words is "five hundred thirty-eight million, five hundred forty-five thousand, nine hundred fifty-one".