10524502921 has 9 divisors (see below), whose sum is σ = 10603571029. Its totient is φ = 10446022336.

The previous prime is 10524502889. The next prime is 10524502973. The reversal of 10524502921 is 12920542501.

The square root of 10524502921 is 102589.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3316492921 + 7208010000 = 57589^2 + 84900^2 .

It is not a de Polignac number, because 10524502921 - 2⁵ = 10524502889 is a prime.

It is a super-2 number, since 2×10524502921² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10524502991) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17747601 + ... + 17748193.

Almost surely, 2^10524502921 is an apocalyptic number.

10524502921 is the 102589-th square number.

10524502921 is the 51295-th centered octagonal number.

It is an amenable number.

10524502921 is a deficient number, since it is larger than the sum of its proper divisors (79068108).

10524502921 is an frugal number, since it uses more digits than its factorization.

10524502921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 10524502921 in words is "ten billion, five hundred twenty-four million, five hundred two thousand, nine hundred twenty-one".