525512501 has 2 divisors, whose sum is σ = 525512502. Its totient is φ = 525512500.

The previous prime is 525512497. The next prime is 525512531. The reversal of 525512501 is 105215525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487084900 + 38427601 = 22070^2 + 6199^2 .

It is a cyclic number.

It is not a de Polignac number, because 525512501 - 2² = 525512497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525512531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262756250 + 262756251.

It is an arithmetic number, because the mean of its divisors is an integer number (262756251).

Almost surely, 2^525512501 is an apocalyptic number.

It is an amenable number.

525512501 is a deficient number, since it is larger than the sum of its proper divisors (1).

525512501 is an equidigital number, since it uses as much as digits as its factorization.

525512501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 525512501 is about 22924.0594354490. The cubic root of 525512501 is about 806.9767404327.

The spelling of 525512501 in words is "five hundred twenty-five million, five hundred twelve thousand, five hundred one".