1025557032 has 16 divisors (see below), whose sum is σ = 2563892640. Its totient is φ = 341852336.

The previous prime is 1025557003. The next prime is 1025557033. The reversal of 1025557032 is 2307555201.

It is not an unprimeable number, because it can be changed into a prime (1025557033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21365748 + ... + 21365795.

It is an arithmetic number, because the mean of its divisors is an integer number (160243290).

Almost surely, 2^1025557032 is an apocalyptic number.

1025557032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025557032 is an abundant number, since it is smaller than the sum of its proper divisors (1538335608).

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

1025557032 is a wasteful number, since it uses less digits than its factorization.

1025557032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42731552 (or 42731548 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 1025557032 is about 32024.3193838683. The cubic root of 1025557032 is about 1008.4474503148.

The spelling of 1025557032 in words is "one billion, twenty-five million, five hundred fifty-seven thousand, thirty-two".