525166969 has 2 divisors, whose sum is σ = 525166970. Its totient is φ = 525166968.

The previous prime is 525166933. The next prime is 525167023. The reversal of 525166969 is 969661525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432140944 + 93026025 = 20788^2 + 9645^2 .

It is a cyclic number.

It is not a de Polignac number, because 525166969 - 2⁷ = 525166841 is a prime.

It is a super-2 number, since 2×525166969² = 551600690657293922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (525161969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262583484 + 262583485.

It is an arithmetic number, because the mean of its divisors is an integer number (262583485).

Almost surely, 2^525166969 is an apocalyptic number.

It is an amenable number.

525166969 is a deficient number, since it is larger than the sum of its proper divisors (1).

525166969 is an equidigital number, since it uses as much as digits as its factorization.

525166969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 49.

The square root of 525166969 is about 22916.5217474206. The cubic root of 525166969 is about 806.7998353976.

The spelling of 525166969 in words is "five hundred twenty-five million, one hundred sixty-six thousand, nine hundred sixty-nine".