10532252421 has 32 divisors (see below), whose sum is σ = 15835248000. Its totient is φ = 6917871744.

The previous prime is 10532252389. The next prime is 10532252431. The reversal of 10532252421 is 12425223501.

10532252421 is a `hidden beast` number, since 10 + 5 + 3 + 225 + 2 + 421 = 666.

10532252421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10532252421 - 2⁵ = 10532252389 is a prime.

It is a super-2 number, since 2×10532252421² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10532252431) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 516801 + ... + 536793.

It is an arithmetic number, because the mean of its divisors is an integer number (494851500).

Almost surely, 2^10532252421 is an apocalyptic number.

It is an amenable number.

10532252421 is a deficient number, since it is larger than the sum of its proper divisors (5302995579).

10532252421 is a wasteful number, since it uses less digits than its factorization.

10532252421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20290 (or 20284 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 10532252421 its reverse (12425223501), we get a palindrome (22957475922).

The spelling of 10532252421 in words is "ten billion, five hundred thirty-two million, two hundred fifty-two thousand, four hundred twenty-one".