525240105 has 32 divisors (see below), whose sum is σ = 906401664. Its totient is φ = 258187776.

The previous prime is 525240103. The next prime is 525240113. The reversal of 525240105 is 501042525.

It is a happy number.

It is not a de Polignac number, because 525240105 - 2¹ = 525240103 is a prime.

It is a super-2 number, since 2×525240105² = 551754335800822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525240101) 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, 159637 + ... + 162893.

It is an arithmetic number, because the mean of its divisors is an integer number (28325052).

Almost surely, 2^525240105 is an apocalyptic number.

It is an amenable number.

525240105 is a deficient number, since it is larger than the sum of its proper divisors (381161559).

525240105 is a wasteful number, since it uses less digits than its factorization.

525240105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 525240105 is about 22918.1173965053. The cubic root of 525240105 is about 806.8372859466.

The spelling of 525240105 in words is "five hundred twenty-five million, two hundred forty thousand, one hundred five".