874421361025 has 27 divisors (see below), whose sum is σ = 1123134973051. Its totient is φ = 675310388480.

The previous prime is 874421360993. The next prime is 874421361059. The reversal of 874421361025 is 520163124478.

The square root of 874421361025 is 935105.

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

It can be written as a sum of positive squares in 13 ways, for example, as 72493947009 + 801927414016 = 269247^2 + 895504^2 .

It is not a de Polignac number, because 874421361025 - 2⁵ = 874421360993 is a prime.

It is a super-2 number, since 2×874421361025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 135587001 + ... + 135593449.

Almost surely, 2^874421361025 is an apocalyptic number.

874421361025 is the 935105-th square number.

874421361025 is the 467553-rd centered octagonal number.

It is an amenable number.

874421361025 is a deficient number, since it is larger than the sum of its proper divisors (248713612026).

874421361025 is an frugal number, since it uses more digits than its factorization.

874421361025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966 (or 6483 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 874421361025 in words is "eight hundred seventy-four billion, four hundred twenty-one million, three hundred sixty-one thousand, twenty-five".