1025210782 has 4 divisors (see below), whose sum is σ = 1537816176. Its totient is φ = 512605390.

The previous prime is 1025210777. The next prime is 1025210783. The reversal of 1025210782 is 2870125201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2870125201 = 179 ⋅16034219.

It is a self number, because there is not a number n which added to its sum of digits gives 1025210782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025210783) by changing a digit.

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 as a sum of consecutive naturals, namely, 256302694 + ... + 256302697.

It is an arithmetic number, because the mean of its divisors is an integer number (384454044).

Almost surely, 2^1025210782 is an apocalyptic number.

1025210782 is a deficient number, since it is larger than the sum of its proper divisors (512605394).

1025210782 is an equidigital number, since it uses as much as digits as its factorization.

1025210782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512605393.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 1025210782 is about 32018.9128797341. The cubic root of 1025210782 is about 1008.3339463937. Note that the first 3 decimals are identical.

Adding to 1025210782 its reverse (2870125201), we get a palindrome (3895335983).

The spelling of 1025210782 in words is "one billion, twenty-five million, two hundred ten thousand, seven hundred eighty-two".