35581225 has 9 divisors (see below), whose sum is σ = 44157733. Its totient is φ = 28441120.

The previous prime is 35581223. The next prime is 35581237. The reversal of 35581225 is 52218553.

The square root of 35581225 is 5965.

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

It can be written as a sum of positive squares in 4 ways, for example, as 582169 + 34999056 = 763^2 + 5916^2 .

It is not a de Polignac number, because 35581225 - 2¹ = 35581223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35581223) 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, 29229 + ... + 30421.

Almost surely, 2^35581225 is an apocalyptic number.

35581225 is the 5965-th square number.

35581225 is the 2983-rd centered octagonal number.

It is an amenable number.

35581225 is a deficient number, since it is larger than the sum of its proper divisors (8576508).

35581225 is an frugal number, since it uses more digits than its factorization.

35581225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396 (or 1198 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The cubic root of 35581225 is about 328.9073904089.

Adding to 35581225 its reverse (52218553), we get a palindrome (87799778).

The spelling of 35581225 in words is "thirty-five million, five hundred eighty-one thousand, two hundred twenty-five".