1060621521 has 4 divisors (see below), whose sum is σ = 1414162032. Its totient is φ = 707081012.

The previous prime is 1060621493. The next prime is 1060621543. The reversal of 1060621521 is 1251260601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1060621521 - 2⁵ = 1060621489 is a prime.

It is a super-2 number, since 2×1060621521² = 2249836021616706882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1060621491 and 1060621500.

It is not an unprimeable number, because it can be changed into a prime (1060621421) 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 3 ways as a sum of consecutive naturals, for example, 176770251 + ... + 176770256.

It is an arithmetic number, because the mean of its divisors is an integer number (353540508).

Almost surely, 2^1060621521 is an apocalyptic number.

It is an amenable number.

1060621521 is a deficient number, since it is larger than the sum of its proper divisors (353540511).

1060621521 is an equidigital number, since it uses as much as digits as its factorization.

1060621521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353540510.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1060621521 is about 32567.1847263469. The cubic root of 1060621521 is about 1019.8120636060.

The spelling of 1060621521 in words is "one billion, sixty million, six hundred twenty-one thousand, five hundred twenty-one".