525150121 has 2 divisors, whose sum is σ = 525150122. Its totient is φ = 525150120.

The previous prime is 525150103. The next prime is 525150127. The reversal of 525150121 is 121051525.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521482896 + 3667225 = 22836^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 525150121 - 2⁷ = 525149993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525150092 and 525150101.

It is not a weakly prime, because it can be changed into another prime (525150127) 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 as a sum of consecutive naturals, namely, 262575060 + 262575061.

It is an arithmetic number, because the mean of its divisors is an integer number (262575061).

Almost surely, 2^525150121 is an apocalyptic number.

It is an amenable number.

525150121 is a deficient number, since it is larger than the sum of its proper divisors (1).

525150121 is an equidigital number, since it uses as much as digits as its factorization.

525150121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 525150121 is about 22916.1541494204. The cubic root of 525150121 is about 806.7912075962.

The spelling of 525150121 in words is "five hundred twenty-five million, one hundred fifty thousand, one hundred twenty-one".