1071580225 has 9 divisors (see below), whose sum is σ = 1328962467. Its totient is φ = 857133240.

The previous prime is 1071580219. The next prime is 1071580241. The reversal of 1071580225 is 5220851701.

The square root of 1071580225 is 32735.

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., 385768881 + 685811344 = 19641^2 + 26188^2 .

It is not a de Polignac number, because 1071580225 - 2³ = 1071580217 is a prime.

It is a super-2 number, since 2×1071580225² = 2296568357222101250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 160402 + ... + 166948.

Almost surely, 2^1071580225 is an apocalyptic number.

1071580225 is the 32735-th square number.

1071580225 is the 16368-th centered octagonal number.

It is an amenable number.

1071580225 is a deficient number, since it is larger than the sum of its proper divisors (257382242).

1071580225 is an frugal number, since it uses more digits than its factorization.

1071580225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13104 (or 6552 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The cubic root of 1071580225 is about 1023.3123845537.

The spelling of 1071580225 in words is "one billion, seventy-one million, five hundred eighty thousand, two hundred twenty-five".