525220207 has 2 divisors, whose sum is σ = 525220208. Its totient is φ = 525220206.

The previous prime is 525220139. The next prime is 525220237. The reversal of 525220207 is 702022525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525220207 is a prime.

It is a super-2 number, since 2×525220207² = 551712531682245698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525220237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262610103 + 262610104.

It is an arithmetic number, because the mean of its divisors is an integer number (262610104).

Almost surely, 2^525220207 is an apocalyptic number.

525220207 is a deficient number, since it is larger than the sum of its proper divisors (1).

525220207 is an equidigital number, since it uses as much as digits as its factorization.

525220207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 525220207 is about 22917.6832816932. The cubic root of 525220207 is about 806.8270971771.

The spelling of 525220207 in words is "five hundred twenty-five million, two hundred twenty thousand, two hundred seven".