213451010525 has 12 divisors (see below), whose sum is σ = 264922781952. Its totient is φ = 170603693040.

The previous prime is 213451010417. The next prime is 213451010551. The reversal of 213451010525 is 525010154312.

It is not a de Polignac number, because 213451010525 - 2¹⁰ = 213451009501 is a prime.

It is a super-2 number, since 2×213451010525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3900167 + ... + 3954516.

It is an arithmetic number, because the mean of its divisors is an integer number (22076898496).

Almost surely, 2^213451010525 is an apocalyptic number.

213451010525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213451010525 is a deficient number, since it is larger than the sum of its proper divisors (51471771427).

213451010525 is a wasteful number, since it uses less digits than its factorization.

213451010525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855780 (or 7855775 counting only the distinct ones).

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

Adding to 213451010525 its reverse (525010154312), we get a palindrome (738461164837).

The spelling of 213451010525 in words is "two hundred thirteen billion, four hundred fifty-one million, ten thousand, five hundred twenty-five".