1025625531253 has 4 divisors (see below), whose sum is σ = 1026630062668. Its totient is φ = 1024620999840.

The previous prime is 1025625531233. The next prime is 1025625531257. The reversal of 1025625531253 is 3521355265201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 825702977124 + 199922554129 = 908682^2 + 447127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025625531253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025625531257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502264176 + ... + 502266217.

It is an arithmetic number, because the mean of its divisors is an integer number (256657515667).

Almost surely, 2^{1025625531253} is an apocalyptic number.

It is an amenable number.

1025625531253 is a deficient number, since it is larger than the sum of its proper divisors (1004531415).

1025625531253 is a wasteful number, since it uses less digits than its factorization.

1025625531253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004531414.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 1025625531253 in words is "one trillion, twenty-five billion, six hundred twenty-five million, five hundred thirty-one thousand, two hundred fifty-three".