525005001 has 6 divisors (see below), whose sum is σ = 758340570. Its totient is φ = 350003328.

The previous prime is 525004981. The next prime is 525005029. The reversal of 525005001 is 100500525.

It can be written as a sum of positive squares in only one way, i.e., 283046976 + 241958025 = 16824^2 + 15555^2 .

It is not a de Polignac number, because 525005001 - 2⁶ = 525004937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525005051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29166936 + ... + 29166953.

It is an arithmetic number, because the mean of its divisors is an integer number (126390095).

Almost surely, 2^525005001 is an apocalyptic number.

It is an amenable number.

525005001 is a deficient number, since it is larger than the sum of its proper divisors (233335569).

525005001 is a wasteful number, since it uses less digits than its factorization.

525005001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58333895 (or 58333892 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 525005001 is about 22912.9876052862. The cubic root of 525005001 is about 806.7168845142.

Adding to 525005001 its reverse (100500525), we get a palindrome (625505526).

The spelling of 525005001 in words is "five hundred twenty-five million, five thousand, one".