1025599512 has 64 divisors (see below), whose sum is σ = 2934385920. Its totient is φ = 292618368.

The previous prime is 1025599507. The next prime is 1025599513. The reversal of 1025599512 is 2159955201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025599513) 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, 128338 + ... + 136094.

It is an arithmetic number, because the mean of its divisors is an integer number (45849780).

Almost surely, 2^1025599512 is an apocalyptic number.

1025599512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025599512 is an abundant number, since it is smaller than the sum of its proper divisors (1908786408).

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

1025599512 is a wasteful number, since it uses less digits than its factorization.

1025599512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560 (or 8556 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 39.

The square root of 1025599512 is about 32024.9826229461. The cubic root of 1025599512 is about 1008.4613738883.

The spelling of 1025599512 in words is "one billion, twenty-five million, five hundred ninety-nine thousand, five hundred twelve".