1025783814 has 32 divisors (see below), whose sum is σ = 2239251840. Its totient is φ = 310680000.

The previous prime is 1025783813. The next prime is 1025783839. The reversal of 1025783814 is 4183875201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025783813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195477 + ... + 200655.

It is an arithmetic number, because the mean of its divisors is an integer number (69976620).

Almost surely, 2^1025783814 is an apocalyptic number.

1025783814 is an abundant number, since it is smaller than the sum of its proper divisors (1213468026).

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

1025783814 is a wasteful number, since it uses less digits than its factorization.

1025783814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1025783814 is about 32027.8599659734. The cubic root of 1025783814 is about 1008.5217776859.

The spelling of 1025783814 in words is "one billion, twenty-five million, seven hundred eighty-three thousand, eight hundred fourteen".