525251047 has 2 divisors, whose sum is σ = 525251048. Its totient is φ = 525251046.

The previous prime is 525250993. The next prime is 525251081. The reversal of 525251047 is 740152525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525251047 - 2¹⁹ = 524726759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525261047) 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, 262625523 + 262625524.

It is an arithmetic number, because the mean of its divisors is an integer number (262625524).

Almost surely, 2^525251047 is an apocalyptic number.

525251047 is a deficient number, since it is larger than the sum of its proper divisors (1).

525251047 is an equidigital number, since it uses as much as digits as its factorization.

525251047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 525251047 is about 22918.3561146955. The cubic root of 525251047 is about 806.8428886872.

The spelling of 525251047 in words is "five hundred twenty-five million, two hundred fifty-one thousand, forty-seven".