525213042 has 16 divisors (see below), whose sum is σ = 1057118592. Its totient is φ = 173955600.

The previous prime is 525213041. The next prime is 525213043. The reversal of 525213042 is 240312525.

It is an interprime number because it is at equal distance from previous prime (525213041) and next prime (525213043).

It is a super-3 number, since 3×525213042³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (525213041) 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, 277834 + ... + 279717.

It is an arithmetic number, because the mean of its divisors is an integer number (66069912).

Almost surely, 2^525213042 is an apocalyptic number.

525213042 is an abundant number, since it is smaller than the sum of its proper divisors (531905550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525213042 is a wasteful number, since it uses less digits than its factorization.

525213042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557713.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 525213042 is about 22917.5269608219. The cubic root of 525213042 is about 806.8234282763.

Adding to 525213042 its reverse (240312525), we get a palindrome (765525567).

The spelling of 525213042 in words is "five hundred twenty-five million, two hundred thirteen thousand, forty-two".