525104402 has 4 divisors (see below), whose sum is σ = 787656606. Its totient is φ = 262552200.

The previous prime is 525104401. The next prime is 525104413. The reversal of 525104402 is 204401525.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 500014321 + 25090081 = 22361^2 + 5009^2 .

It is not an unprimeable number, because it can be changed into a prime (525104401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131276099 + ... + 131276102.

Almost surely, 2^525104402 is an apocalyptic number.

525104402 is a deficient number, since it is larger than the sum of its proper divisors (262552204).

525104402 is a wasteful number, since it uses less digits than its factorization.

525104402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262552203.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 525104402 is about 22915.1565999449. The cubic root of 525104402 is about 806.7677941275.

Adding to 525104402 its reverse (204401525), we get a palindrome (729505927).

The spelling of 525104402 in words is "five hundred twenty-five million, one hundred four thousand, four hundred two".