525212126 has 16 divisors (see below), whose sum is σ = 801255840. Its totient is φ = 258163200.

The previous prime is 525212123. The next prime is 525212179. The reversal of 525212126 is 621212525.

It is a junction number, because it is equal to n+sod(n) for n = 525212095 and 525212104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525212123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20330 + ... + 38258.

It is an arithmetic number, because the mean of its divisors is an integer number (50078490).

Almost surely, 2^525212126 is an apocalyptic number.

525212126 is a deficient number, since it is larger than the sum of its proper divisors (276043714).

525212126 is a wasteful number, since it uses less digits than its factorization.

525212126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18179.

The product of its digits is 2400, while the sum is 26.

The square root of 525212126 is about 22917.5069761089. The cubic root of 525212126 is about 806.8229592281.

The spelling of 525212126 in words is "five hundred twenty-five million, two hundred twelve thousand, one hundred twenty-six".