1025718530 has 16 divisors (see below), whose sum is σ = 1859578560. Its totient is φ = 407335152.

The previous prime is 1025718527. The next prime is 1025718563. The reversal of 1025718530 is 358175201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367574 + ... + 370353.

It is an arithmetic number, because the mean of its divisors is an integer number (116223660).

Almost surely, 2^1025718530 is an apocalyptic number.

1025718530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025718530 is a deficient number, since it is larger than the sum of its proper divisors (833860030).

1025718530 is a wasteful number, since it uses less digits than its factorization.

1025718530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738073.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1025718530 is about 32026.8407745753. The cubic root of 1025718530 is about 1008.5003821015.

The spelling of 1025718530 in words is "one billion, twenty-five million, seven hundred eighteen thousand, five hundred thirty".