1025320570 has 16 divisors (see below), whose sum is σ = 1846997928. Its totient is φ = 409812480.

The previous prime is 1025320561. The next prime is 1025320591. The reversal of 1025320570 is 750235201.

It can be written as a sum of positive squares in 4 ways, for example, as 1004953401 + 20367169 = 31701^2 + 4513^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25599 + ... + 52018.

Almost surely, 2^1025320570 is an apocalyptic number.

1025320570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025320570 is a deficient number, since it is larger than the sum of its proper divisors (821677358).

1025320570 is a wasteful number, since it uses less digits than its factorization.

1025320570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78945.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1025320570 is about 32020.6272580660. The cubic root of 1025320570 is about 1008.3699386722.

Adding to 1025320570 its reverse (750235201), we get a palindrome (1775555771).

The spelling of 1025320570 in words is "one billion, twenty-five million, three hundred twenty thousand, five hundred seventy".