525277897 has 2 divisors, whose sum is σ = 525277898. Its totient is φ = 525277896.

The previous prime is 525277877. The next prime is 525277903. The reversal of 525277897 is 798772525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458430921 + 66846976 = 21411^2 + 8176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525277897 is a prime.

It is not a weakly prime, because it can be changed into another prime (525277807) 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, 262638948 + 262638949.

It is an arithmetic number, because the mean of its divisors is an integer number (262638949).

Almost surely, 2^525277897 is an apocalyptic number.

It is an amenable number.

525277897 is a deficient number, since it is larger than the sum of its proper divisors (1).

525277897 is an equidigital number, since it uses as much as digits as its factorization.

525277897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2469600, while the sum is 52.

The square root of 525277897 is about 22918.9418822074. The cubic root of 525277897 is about 806.8566366290.

The spelling of 525277897 in words is "five hundred twenty-five million, two hundred seventy-seven thousand, eight hundred ninety-seven".