5032781000 has 64 divisors (see below), whose sum is σ = 12682640880. Its totient is φ = 1858252800.

The previous prime is 5032780999. The next prime is 5032781003. The reversal of 5032781000 is 1872305.

It can be written as a sum of positive squares in 8 ways, for example, as 445969924 + 4586811076 = 21118^2 + 67726^2 .

It is a super-2 number, since 2×5032781000² = 50657769187922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (5032781003) 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, 180569 + ... + 206568.

Almost surely, 2^5032781000 is an apocalyptic number.

5032781000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5032781000 is an abundant number, since it is smaller than the sum of its proper divisors (7649859880).

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

5032781000 is a wasteful number, since it uses less digits than its factorization.

5032781000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387171 (or 387157 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5032781000 is about 70942.0961066136. The cubic root of 5032781000 is about 1713.7047909282.

The spelling of 5032781000 in words is "five billion, thirty-two million, seven hundred eighty-one thousand".