525645225250 has 32 divisors (see below), whose sum is σ = 1008008073072. Its totient is φ = 205129840000.

The previous prime is 525645225227. The next prime is 525645225251. The reversal of 525645225250 is 52522546525.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1311381369 + 524333843881 = 36213^2 + 724109^2 .

It is a junction number, because it is equal to n+sod(n) for n = 525645225197 and 525645225206.

It is not an unprimeable number, because it can be changed into a prime (525645225251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25630981 + ... + 25651480.

Almost surely, 2^525645225250 is an apocalyptic number.

525645225250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525645225250 is a deficient number, since it is larger than the sum of its proper divisors (482362847822).

525645225250 is a wasteful number, since it uses less digits than its factorization.

525645225250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51282519 (or 51282509 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 525645225250 in words is "five hundred twenty-five billion, six hundred forty-five million, two hundred twenty-five thousand, two hundred fifty".