525122473 has 4 divisors (see below), whose sum is σ = 527018500. Its totient is φ = 523226448.

The previous prime is 525122471. The next prime is 525122489. The reversal of 525122473 is 374221525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 121594729 + 403527744 = 11027^2 + 20088^2 .

It is a cyclic number.

It is not a de Polignac number, because 525122473 - 2¹ = 525122471 is a prime.

It is a super-2 number, since 2×525122473² = 551507223299271458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525122471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947598 + ... + 948151.

It is an arithmetic number, because the mean of its divisors is an integer number (131754625).

Almost surely, 2^525122473 is an apocalyptic number.

It is an amenable number.

525122473 is a deficient number, since it is larger than the sum of its proper divisors (1896027).

525122473 is a wasteful number, since it uses less digits than its factorization.

525122473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896026.

The product of its digits is 16800, while the sum is 31.

The square root of 525122473 is about 22915.5508988983. The cubic root of 525122473 is about 806.7770487529. Note that the first 3 decimals are identical.

Adding to 525122473 its reverse (374221525), we get a palindrome (899343998).

The spelling of 525122473 in words is "five hundred twenty-five million, one hundred twenty-two thousand, four hundred seventy-three".