213512252501 has 8 divisors (see below), whose sum is σ = 218065042944. Its totient is φ = 208959877840.

The previous prime is 213512252441. The next prime is 213512252509. The reversal of 213512252501 is 105252215312.

It is a happy number.

213512252501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213512252501 - 2¹⁸ = 213511990357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213512252509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075076 + ... + 1258098.

It is an arithmetic number, because the mean of its divisors is an integer number (27258130368).

Almost surely, 2^213512252501 is an apocalyptic number.

It is an amenable number.

213512252501 is a deficient number, since it is larger than the sum of its proper divisors (4552790443).

213512252501 is a wasteful number, since it uses less digits than its factorization.

213512252501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207891.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 213512252501 its reverse (105252215312), we get a palindrome (318764467813).

The spelling of 213512252501 in words is "two hundred thirteen billion, five hundred twelve million, two hundred fifty-two thousand, five hundred one".