1000525550 has 24 divisors (see below), whose sum is σ = 1866282336. Its totient is φ = 399069440.

The previous prime is 1000525529. The next prime is 1000525567. The reversal of 1000525550 is 555250001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10694 + ... + 45993.

It is an arithmetic number, because the mean of its divisors is an integer number (77761764).

Almost surely, 2^1000525550 is an apocalyptic number.

1000525550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000525550 is a deficient number, since it is larger than the sum of its proper divisors (865756786).

1000525550 is a wasteful number, since it uses less digits than its factorization.

1000525550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57052 (or 57047 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 1000525550 is about 31631.0851853047. The cubic root of 1000525550 is about 1000.1751526531.

Adding to 1000525550 its reverse (555250001), we get a palindrome (1555775551).

The spelling of 1000525550 in words is "one billion, five hundred twenty-five thousand, five hundred fifty".