525310400002 has 8 divisors (see below), whose sum is σ = 790078109436. Its totient is φ = 261951030192.

The previous prime is 525310399973. The next prime is 525310400089. The reversal of 525310400002 is 200004013525.

It can be written as a sum of positive squares in 2 ways, for example, as 445023744201 + 80286655801 = 667101^2 + 283349^2 .

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

It is a super-2 number, since 2×525310400002² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352083973 + ... + 352085464.

Almost surely, 2^525310400002 is an apocalyptic number.

525310400002 is a deficient number, since it is larger than the sum of its proper divisors (264767709434).

525310400002 is a wasteful number, since it uses less digits than its factorization.

525310400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704169812.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 525310400002 its reverse (200004013525), we get a palindrome (725314413527).

The spelling of 525310400002 in words is "five hundred twenty-five billion, three hundred ten million, four hundred thousand, two".