578825131 has 4 divisors (see below), whose sum is σ = 581734000. Its totient is φ = 575916264.

The previous prime is 578825113. The next prime is 578825189. The reversal of 578825131 is 131528875.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 578825131 - 2¹⁵ = 578792363 is a prime.

It is a super-2 number, since 2×578825131² = 670077064554334322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (578805131) 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, 1454136 + ... + 1454533.

It is an arithmetic number, because the mean of its divisors is an integer number (145433500).

Almost surely, 2^578825131 is an apocalyptic number.

578825131 is a deficient number, since it is larger than the sum of its proper divisors (2908869).

578825131 is a wasteful number, since it uses less digits than its factorization.

578825131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908868.

The product of its digits is 67200, while the sum is 40.

The square root of 578825131 is about 24058.7849028167. The cubic root of 578825131 is about 833.3916143594.

The spelling of 578825131 in words is "five hundred seventy-eight million, eight hundred twenty-five thousand, one hundred thirty-one".