1082531500 has 24 divisors (see below), whose sum is σ = 2364249888. Its totient is φ = 433012400.

The previous prime is 1082531473. The next prime is 1082531551. The reversal of 1082531500 is 51352801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082032 + ... + 1083031.

It is an arithmetic number, because the mean of its divisors is an integer number (98510412).

Almost surely, 2^1082531500 is an apocalyptic number.

1082531500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082531500 is an abundant number, since it is smaller than the sum of its proper divisors (1281718388).

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

1082531500 is a wasteful number, since it uses less digits than its factorization.

1082531500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165082 (or 2165070 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1082531500 is about 32901.8464527449. The cubic root of 1082531500 is about 1026.7865728753.

The spelling of 1082531500 in words is "one billion, eighty-two million, five hundred thirty-one thousand, five hundred".