525243091 has 8 divisors (see below), whose sum is σ = 535766400. Its totient is φ = 514742592.

The previous prime is 525243077. The next prime is 525243107. The reversal of 525243091 is 190342525.

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 525243091 - 2²¹ = 523145939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525243071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45310 + ... + 55708.

It is an arithmetic number, because the mean of its divisors is an integer number (66970800).

Almost surely, 2^525243091 is an apocalyptic number.

525243091 is a deficient number, since it is larger than the sum of its proper divisors (10523309).

525243091 is a wasteful number, since it uses less digits than its factorization.

525243091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11405.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 525243091 is about 22918.1825413797. The cubic root of 525243091 is about 806.8388149054.

The spelling of 525243091 in words is "five hundred twenty-five million, two hundred forty-three thousand, ninety-one".