1025825253 has 16 divisors (see below), whose sum is σ = 1388566656. Its totient is φ = 673505280.

The previous prime is 1025825249. The next prime is 1025825267. The reversal of 1025825253 is 3525285201.

It is not a de Polignac number, because 1025825253 - 2² = 1025825249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025825233) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 243501 + ... + 247677.

It is an arithmetic number, because the mean of its divisors is an integer number (86785416).

Almost surely, 2^1025825253 is an apocalyptic number.

It is an amenable number.

1025825253 is a deficient number, since it is larger than the sum of its proper divisors (362741403).

1025825253 is a wasteful number, since it uses less digits than its factorization.

1025825253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1025825253 is about 32028.5068805900. The cubic root of 1025825253 is about 1008.5353580559.

It can be divided in two parts, 10258 and 25253, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 1025825253 in words is "one billion, twenty-five million, eight hundred twenty-five thousand, two hundred fifty-three".