525345455 has 4 divisors (see below), whose sum is σ = 630414552. Its totient is φ = 420276360.

The previous prime is 525345451. The next prime is 525345463. The reversal of 525345455 is 554543525.

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

It is not a de Polignac number, because 525345455 - 2² = 525345451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525345451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52534541 + ... + 52534550.

It is an arithmetic number, because the mean of its divisors is an integer number (157603638).

Almost surely, 2^525345455 is an apocalyptic number.

525345455 is a deficient number, since it is larger than the sum of its proper divisors (105069097).

525345455 is a wasteful number, since it uses less digits than its factorization.

525345455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105069096.

The product of its digits is 300000, while the sum is 38.

The square root of 525345455 is about 22920.4156812218. The cubic root of 525345455 is about 806.8912261191.

The spelling of 525345455 in words is "five hundred twenty-five million, three hundred forty-five thousand, four hundred fifty-five".