633212144225 has 12 divisors (see below), whose sum is σ = 812258337660. Its totient is φ = 489101793600.

The previous prime is 633212144197. The next prime is 633212144233. The reversal of 633212144225 is 522441212336.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 38635440481 + 594576703744 = 196559^2 + 771088^2 .

It is not a de Polignac number, because 633212144225 - 2⁶ = 633212144161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436697306 + ... + 436698755.

It is an arithmetic number, because the mean of its divisors is an integer number (67688194805).

Almost surely, 2^633212144225 is an apocalyptic number.

It is an amenable number.

633212144225 is a deficient number, since it is larger than the sum of its proper divisors (179046193435).

633212144225 is a wasteful number, since it uses less digits than its factorization.

633212144225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873396100 (or 873396095 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The spelling of 633212144225 in words is "six hundred thirty-three billion, two hundred twelve million, one hundred forty-four thousand, two hundred twenty-five".