1025574912 has 192 divisors, whose sum is σ = 3219652800. Its totient is φ = 321454080.

The previous prime is 1025574871. The next prime is 1025574923. The reversal of 1025574912 is 2194755201.

1025574912 is a `hidden beast` number, since 10 + 2 + 557 + 4 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939487 + ... + 940577.

It is an arithmetic number, because the mean of its divisors is an integer number (16769025).

Almost surely, 2^1025574912 is an apocalyptic number.

1025574912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025574912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609826400).

1025574912 is an abundant number, since it is smaller than the sum of its proper divisors (2194077888).

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

1025574912 is a wasteful number, since it uses less digits than its factorization.

1025574912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1025574912 is about 32024.5985454931. The cubic root of 1025574912 is about 1008.4533108488.

The spelling of 1025574912 in words is "one billion, twenty-five million, five hundred seventy-four thousand, nine hundred twelve".