538865097 has 4 divisors (see below), whose sum is σ = 718486800. Its totient is φ = 359243396.

The previous prime is 538865081. The next prime is 538865101. The reversal of 538865097 is 790568835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 538865097 - 2⁴ = 538865081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538865497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89810847 + ... + 89810852.

It is an arithmetic number, because the mean of its divisors is an integer number (179621700).

Almost surely, 2^538865097 is an apocalyptic number.

It is an amenable number.

538865097 is a deficient number, since it is larger than the sum of its proper divisors (179621703).

538865097 is a wasteful number, since it uses less digits than its factorization.

538865097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179621702.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 538865097 is about 23213.4680088952. The cubic root of 538865097 is about 813.7544032456.

The spelling of 538865097 in words is "five hundred thirty-eight million, eight hundred sixty-five thousand, ninety-seven".