525740089 has 32 divisors (see below), whose sum is σ = 658022400. Its totient is φ = 410002560.

The previous prime is 525740081. The next prime is 525740107. The reversal of 525740089 is 980047525.

It is a cyclic number.

It is not a de Polignac number, because 525740089 - 2³ = 525740081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525740081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364632 + ... + 366070.

It is an arithmetic number, because the mean of its divisors is an integer number (20563200).

Almost surely, 2^525740089 is an apocalyptic number.

It is an amenable number.

525740089 is a deficient number, since it is larger than the sum of its proper divisors (132282311).

525740089 is a wasteful number, since it uses less digits than its factorization.

525740089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 525740089 is about 22929.0228531440. The cubic root of 525740089 is about 807.0932182936.

The spelling of 525740089 in words is "five hundred twenty-five million, seven hundred forty thousand, eighty-nine".