525005501 has 4 divisors (see below), whose sum is σ = 532841472. Its totient is φ = 517169532.

The previous prime is 525005483. The next prime is 525005513. The reversal of 525005501 is 105500525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525005501 - 2¹⁰ = 525004477 is a prime.

It is a super-2 number, since 2×525005501² = 551261552160522002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525002501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917885 + ... + 3918018.

It is an arithmetic number, because the mean of its divisors is an integer number (133210368).

Almost surely, 2^525005501 is an apocalyptic number.

It is an amenable number.

525005501 is a deficient number, since it is larger than the sum of its proper divisors (7835971).

525005501 is an equidigital number, since it uses as much as digits as its factorization.

525005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835970.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 525005501 is about 22912.9985161262. The cubic root of 525005501 is about 806.7171406123.

The spelling of 525005501 in words is "five hundred twenty-five million, five thousand, five hundred one".