1010540521 has 9 divisors (see below), whose sum is σ = 1025540029. Its totient is φ = 995758636.

The previous prime is 1010540501. The next prime is 1010540551. The reversal of 1010540521 is 1250450101.

The square root of 1010540521 is 31789.

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

It is not a de Polignac number, because 1010540521 - 2¹³ = 1010532329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010540501) 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, 2638296 + ... + 2638678.

Almost surely, 2^1010540521 is an apocalyptic number.

1010540521 is the 31789-th square number.

1010540521 is the 15895-th centered octagonal number.

It is an amenable number.

1010540521 is a deficient number, since it is larger than the sum of its proper divisors (14999508).

1010540521 is an frugal number, since it uses more digits than its factorization.

1010540521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The cubic root of 1010540521 is about 1003.5012340533.

Adding to 1010540521 its reverse (1250450101), we get a palindrome (2260990622).

The spelling of 1010540521 in words is "one billion, ten million, five hundred forty thousand, five hundred twenty-one".