33625105024213 has 4 divisors (see below), whose sum is σ = 33933592226380. Its totient is φ = 33316617822048.

The previous prime is 33625105024201. The next prime is 33625105024229. The reversal of 33625105024213 is 31242050152633.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26755139016369 + 6869966007844 = 5172537^2 + 2621062^2 .

It is a cyclic number.

It is not a de Polignac number, because 33625105024213 - 2¹³ = 33625105016021 is a prime.

It is a super-2 number, since 2×33625105024213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33625105024283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154243600920 + ... + 154243601137.

It is an arithmetic number, because the mean of its divisors is an integer number (8483398056595).

Almost surely, 2^{33625105024213} is an apocalyptic number.

It is an amenable number.

33625105024213 is a deficient number, since it is larger than the sum of its proper divisors (308487202167).

33625105024213 is a wasteful number, since it uses less digits than its factorization.

33625105024213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308487202166.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 33625105024213 its reverse (31242050152633), we get a palindrome (64867155176846).

The spelling of 33625105024213 in words is "thirty-three trillion, six hundred twenty-five billion, one hundred five million, twenty-four thousand, two hundred thirteen".