525780803253 has 4 divisors (see below), whose sum is σ = 701041071008. Its totient is φ = 350520535500.

The previous prime is 525780803239. The next prime is 525780803287. The reversal of 525780803253 is 352308087525.

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 525780803253 - 2⁴ = 525780803237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525780803213) 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, 87630133873 + ... + 87630133878.

It is an arithmetic number, because the mean of its divisors is an integer number (175260267752).

Almost surely, 2^525780803253 is an apocalyptic number.

It is an amenable number.

525780803253 is a deficient number, since it is larger than the sum of its proper divisors (175260267755).

525780803253 is a wasteful number, since it uses less digits than its factorization.

525780803253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175260267754.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 525780803253 in words is "five hundred twenty-five billion, seven hundred eighty million, eight hundred three thousand, two hundred fifty-three".