1525718063 has 2 divisors, whose sum is σ = 1525718064. Its totient is φ = 1525718062.

The previous prime is 1525718059. The next prime is 1525718083. The reversal of 1525718063 is 3608175251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1525718063 - 2² = 1525718059 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1525718003) 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, 762859031 + 762859032.

It is an arithmetic number, because the mean of its divisors is an integer number (762859032).

Almost surely, 2^1525718063 is an apocalyptic number.

1525718063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525718063 is an equidigital number, since it uses as much as digits as its factorization.

1525718063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 1525718063 is about 39060.4411521427. The cubic root of 1525718063 is about 1151.2193903812.

The spelling of 1525718063 in words is "one billion, five hundred twenty-five million, seven hundred eighteen thousand, sixty-three".