525255505 has 4 divisors (see below), whose sum is σ = 630306612. Its totient is φ = 420204400.

The previous prime is 525255499. The next prime is 525255541. The reversal of 525255505 is 505552525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284664384 + 240591121 = 16872^2 + 15511^2 .

It is not a de Polignac number, because 525255505 - 2⁵ = 525255473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52525546 + ... + 52525555.

It is an arithmetic number, because the mean of its divisors is an integer number (157576653).

Almost surely, 2^525255505 is an apocalyptic number.

It is an amenable number.

525255505 is a deficient number, since it is larger than the sum of its proper divisors (105051107).

525255505 is a wasteful number, since it uses less digits than its factorization.

525255505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105051106.

The product of its (nonzero) digits is 62500, while the sum is 34.

The square root of 525255505 is about 22918.4533727737. The cubic root of 525255505 is about 806.8451713388.

The spelling of 525255505 in words is "five hundred twenty-five million, two hundred fifty-five thousand, five hundred five".