9544313025 has 135 divisors (see below), whose sum is σ = 19259250681. Its totient is φ = 4670602560.

The previous prime is 9544312993. The next prime is 9544313029. The reversal of 9544313025 is 5203134459.

The square root of 9544313025 is 97695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2460060801 + 7084252224 = 49599^2 + 84168^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 9544313025 - 2⁵ = 9544312993 is a prime.

It is a super-2 number, since 2×9544313025² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9544313029) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 57151492 + ... + 57151658.

Almost surely, 2^9544313025 is an apocalyptic number.

9544313025 is the 97695-th square number.

9544313025 is the 48848-th centered octagonal number.

It is an amenable number.

9544313025 is an abundant number, since it is smaller than the sum of its proper divisors (9714937656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9544313025 is a wasteful number, since it uses less digits than its factorization.

9544313025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The cubic root of 9544313025 is about 2121.1997055126.

Multiplying 9544313025 by its sum of digits (36), we get a square (343595268900 = 586170²).

The spelling of 9544313025 in words is "nine billion, five hundred forty-four million, three hundred thirteen thousand, twenty-five".