525434422 has 4 divisors (see below), whose sum is σ = 788151636. Its totient is φ = 262717210.

The previous prime is 525434411. The next prime is 525434423. The reversal of 525434422 is 224434525.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×525434422³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525434423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131358604 + ... + 131358607.

It is an arithmetic number, because the mean of its divisors is an integer number (197037909).

Almost surely, 2^525434422 is an apocalyptic number.

525434422 is a deficient number, since it is larger than the sum of its proper divisors (262717214).

525434422 is a wasteful number, since it uses less digits than its factorization.

525434422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262717213.

The product of its digits is 38400, while the sum is 31.

The square root of 525434422 is about 22922.3563797442. The cubic root of 525434422 is about 806.9367724284.

Adding to 525434422 its reverse (224434525), we get a palindrome (749868947).

It can be divided in two parts, 52543 and 4422, that added together give a palindrome (56965).

The spelling of 525434422 in words is "five hundred twenty-five million, four hundred thirty-four thousand, four hundred twenty-two".