152825561 has 6 divisors (see below), whose sum is σ = 177776730. Its totient is φ = 130993296.

The previous prime is 152825539. The next prime is 152825581. The reversal of 152825561 is 165528251.

It can be written as a sum of positive squares in only one way, i.e., 147161161 + 5664400 = 12131^2 + 2380^2 .

It is not a de Polignac number, because 152825561 - 2¹⁴ = 152809177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152825581) 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 5 ways as a sum of consecutive naturals, for example, 1559396 + ... + 1559493.

It is an arithmetic number, because the mean of its divisors is an integer number (29629455).

Almost surely, 2^152825561 is an apocalyptic number.

It is an amenable number.

152825561 is a deficient number, since it is larger than the sum of its proper divisors (24951169).

152825561 is an equidigital number, since it uses as much as digits as its factorization.

152825561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118903 (or 3118896 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

The square root of 152825561 is about 12362.2635872238. The cubic root of 152825561 is about 534.6447823992.

The spelling of 152825561 in words is "one hundred fifty-two million, eight hundred twenty-five thousand, five hundred sixty-one".