67508325159025 has 9 divisors (see below), whose sum is σ = 83710374138561. Its totient is φ = 54006627261840.

The previous prime is 67508325159019. The next prime is 67508325159029. The reversal of 67508325159025 is 52095152380576.

The square root of 67508325159025 is 8216345.

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 5543467764849 + 61964857394176 = 2354457^2 + 7871776^2 .

It is not a de Polignac number, because 67508325159025 - 2¹⁷ = 67508325027953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67508325159029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40260091 + ... + 41903359.

Almost surely, 2^{67508325159025} is an apocalyptic number.

67508325159025 is the 8216345-th square number.

67508325159025 is the 4108173-rd centered octagonal number.

It is an amenable number.

67508325159025 is a deficient number, since it is larger than the sum of its proper divisors (16202048979536).

67508325159025 is an frugal number, since it uses more digits than its factorization.

67508325159025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286548 (or 1643274 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 58.

The spelling of 67508325159025 in words is "sixty-seven trillion, five hundred eight billion, three hundred twenty-five million, one hundred fifty-nine thousand, twenty-five".