525402422 has 8 divisors (see below), whose sum is σ = 796959000. Its totient is φ = 259749424.

The previous prime is 525402419. The next prime is 525402431. The reversal of 525402422 is 224204525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 525402391 and 525402400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475672 + ... + 1476027.

It is an arithmetic number, because the mean of its divisors is an integer number (99619875).

Almost surely, 2^525402422 is an apocalyptic number.

525402422 is a deficient number, since it is larger than the sum of its proper divisors (271556578).

525402422 is a wasteful number, since it uses less digits than its factorization.

525402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951790.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 525402422 is about 22921.6583605986. The cubic root of 525402422 is about 806.9203907451.

Adding to 525402422 its reverse (224204525), we get a palindrome (749606947).

The spelling of 525402422 in words is "five hundred twenty-five million, four hundred two thousand, four hundred twenty-two".