525305001 has 8 divisors (see below), whose sum is σ = 754284160. Its totient is φ = 323264592.

The previous prime is 525304999. The next prime is 525305057. The reversal of 525305001 is 100503525.

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

It is not a de Polignac number, because 525305001 - 2¹ = 525304999 is a prime.

It is a super-2 number, since 2×525305001² = 551890688151220002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525305701) 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, 6734641 + ... + 6734718.

It is an arithmetic number, because the mean of its divisors is an integer number (94285520).

Almost surely, 2^525305001 is an apocalyptic number.

It is an amenable number.

525305001 is a deficient number, since it is larger than the sum of its proper divisors (228979159).

525305001 is a wasteful number, since it uses less digits than its factorization.

525305001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13469375.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 525305001 is about 22919.5331758742. The cubic root of 525305001 is about 806.8705141506.

Adding to 525305001 its reverse (100503525), we get a palindrome (625808526).

The spelling of 525305001 in words is "five hundred twenty-five million, three hundred five thousand, one".