2531790578 has 8 divisors (see below), whose sum is σ = 3845758080. Its totient is φ = 1249871220.

The previous prime is 2531790571. The next prime is 2531790607. The reversal of 2531790578 is 8750971352.

2531790578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (2531790571) 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, 8011838 + ... + 8012153.

It is an arithmetic number, because the mean of its divisors is an integer number (480719760).

Almost surely, 2^2531790578 is an apocalyptic number.

2531790578 is a deficient number, since it is larger than the sum of its proper divisors (1313967502).

2531790578 is a wasteful number, since it uses less digits than its factorization.

2531790578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16024072.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 2531790578 is about 50316.9015143023. The cubic root of 2531790578 is about 1362.9374545498.

The spelling of 2531790578 in words is "two billion, five hundred thirty-one million, seven hundred ninety thousand, five hundred seventy-eight".