2591925078 has 8 divisors (see below), whose sum is σ = 5183850168. Its totient is φ = 863975024.

The previous prime is 2591925053. The next prime is 2591925137. The reversal of 2591925078 is 8705291952.

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

2591925078 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215993751 + ... + 215993762.

It is an arithmetic number, because the mean of its divisors is an integer number (647981271).

Almost surely, 2^2591925078 is an apocalyptic number.

2591925078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2591925078 is a wasteful number, since it uses less digits than its factorization.

2591925078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431987518.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2591925078 is about 50910.9524365828. The cubic root of 2591925078 is about 1373.6438557080.

The spelling of 2591925078 in words is "two billion, five hundred ninety-one million, nine hundred twenty-five thousand, seventy-eight".