1062991930225 has 9 divisors (see below), whose sum is σ = 1318116385803. Its totient is φ = 850389420120.

The previous prime is 1062991930223. The next prime is 1062991930229. The reversal of 1062991930225 is 5220391992601.

The square root of 1062991930225 is 1031015.

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

It can be written as a sum of positive squares in only one way, i.e., 382677094881 + 680314835344 = 618609^2 + 824812^2 .

It is not a de Polignac number, because 1062991930225 - 2¹ = 1062991930223 is a prime.

It is a super-2 number, since 2×1062991930225² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1062991930223) 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, 5051974 + ... + 5258176.

Almost surely, 2^{1062991930225} is an apocalyptic number.

1062991930225 is the 1031015-th square number.

1062991930225 is the 515508-th centered octagonal number.

It is an amenable number.

1062991930225 is a deficient number, since it is larger than the sum of its proper divisors (255124455578).

1062991930225 is an frugal number, since it uses more digits than its factorization.

1062991930225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412416 (or 206208 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

Multiplying 1062991930225 by its sum of digits (49), we get a square (52086604581025 = 7217105²).

The spelling of 1062991930225 in words is "one trillion, sixty-two billion, nine hundred ninety-one million, nine hundred thirty thousand, two hundred twenty-five".