1025783563 has 8 divisors (see below), whose sum is σ = 1212749280. Its totient is φ = 848924160.

The previous prime is 1025783557. The next prime is 1025783569. The reversal of 1025783563 is 3653875201.

1025783563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1025783557) and next prime (1025783569).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025783563 - 2¹³ = 1025775371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025783569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2526358 + ... + 2526763.

It is an arithmetic number, because the mean of its divisors is an integer number (151593660).

Almost surely, 2^1025783563 is an apocalyptic number.

1025783563 is a deficient number, since it is larger than the sum of its proper divisors (186965717).

1025783563 is an equidigital number, since it uses as much as digits as its factorization.

1025783563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053157.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 1025783563 is about 32027.8560475096. The cubic root of 1025783563 is about 1008.5216954272.

The spelling of 1025783563 in words is "one billion, twenty-five million, seven hundred eighty-three thousand, five hundred sixty-three".