525143973 has 4 divisors (see below), whose sum is σ = 700191968. Its totient is φ = 350095980.

The previous prime is 525143963. The next prime is 525143989. The reversal of 525143973 is 379341525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 525143973 - 2¹³ = 525135781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525143933) 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 3 ways as a sum of consecutive naturals, for example, 87523993 + ... + 87523998.

It is an arithmetic number, because the mean of its divisors is an integer number (175047992).

Almost surely, 2^525143973 is an apocalyptic number.

It is an amenable number.

525143973 is a deficient number, since it is larger than the sum of its proper divisors (175047995).

525143973 is a wasteful number, since it uses less digits than its factorization.

525143973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175047994.

The product of its digits is 113400, while the sum is 39.

The square root of 525143973 is about 22916.0200078460. The cubic root of 525143973 is about 806.7880591811.

The spelling of 525143973 in words is "five hundred twenty-five million, one hundred forty-three thousand, nine hundred seventy-three".