213425102545 has 8 divisors (see below), whose sum is σ = 256119472296. Its totient is φ = 170733849216.

The previous prime is 213425102519. The next prime is 213425102551. The reversal of 213425102545 is 545201524312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 166980111424 + 46444991121 = 408632^2 + 215511^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 213425102545 - 2²⁵ = 213391548113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213425102545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625692 + ... + 904621.

It is an arithmetic number, because the mean of its divisors is an integer number (32014934037).

Almost surely, 2^213425102545 is an apocalyptic number.

It is an amenable number.

213425102545 is a deficient number, since it is larger than the sum of its proper divisors (42694369751).

213425102545 is a wasteful number, since it uses less digits than its factorization.

213425102545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558211.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 213425102545 its reverse (545201524312), we get a palindrome (758626626857).

The spelling of 213425102545 in words is "two hundred thirteen billion, four hundred twenty-five million, one hundred two thousand, five hundred forty-five".