8153187025 has 9 divisors (see below), whose sum is σ = 10110511771. Its totient is φ = 6522188440.

The previous prime is 8153187019. The next prime is 8153187089. The reversal of 8153187025 is 5207813518.

The square root of 8153187025 is 90295.

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

It can be written as a sum of positive squares in only one way, i.e., 2935147329 + 5218039696 = 54177^2 + 72236^2 .

It is not a de Polignac number, because 8153187025 - 2³ = 8153187017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 442446 + ... + 460504.

Almost surely, 2^8153187025 is an apocalyptic number.

8153187025 is the 90295-th square number.

8153187025 is the 45148-th centered octagonal number.

It is an amenable number.

8153187025 is a deficient number, since it is larger than the sum of its proper divisors (1957324746).

8153187025 is an frugal number, since it uses more digits than its factorization.

8153187025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36128 (or 18064 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The cubic root of 8153187025 is about 2012.6849612034.

The spelling of 8153187025 in words is "eight billion, one hundred fifty-three million, one hundred eighty-seven thousand, twenty-five".