525250001 has 8 divisors (see below), whose sum is σ = 543662400. Its totient is φ = 506857680.

The previous prime is 525249997. The next prime is 525250009. The reversal of 525250001 is 100052525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525250001 - 2² = 525249997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525250009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64940 + ... + 72578.

It is an arithmetic number, because the mean of its divisors is an integer number (67957800).

Almost surely, 2^525250001 is an apocalyptic number.

It is an amenable number.

525250001 is a deficient number, since it is larger than the sum of its proper divisors (18412399).

525250001 is a wasteful number, since it uses less digits than its factorization.

525250001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10039.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 525250001 is about 22918.3332945483. Note that the first 3 decimals coincide. The cubic root of 525250001 is about 806.8423530968.

The spelling of 525250001 in words is "five hundred twenty-five million, two hundred fifty thousand, one".