25081282 has 4 divisors (see below), whose sum is σ = 37621926. Its totient is φ = 12540640.

The previous prime is 25081279. The next prime is 25081289. The reversal of 25081282 is 28218052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21077281 + 4004001 = 4591^2 + 2001^2 .

It is a super-3 number, since 3×25081282³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25081282.

It is not an unprimeable number, because it can be changed into a prime (25081289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6270319 + ... + 6270322.

Almost surely, 2^25081282 is an apocalyptic number.

25081282 is a deficient number, since it is larger than the sum of its proper divisors (12540644).

25081282 is a wasteful number, since it uses less digits than its factorization.

25081282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12540643.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 25081282 is about 5008.1216039549. The cubic root of 25081282 is about 292.7183243503.

The spelling of 25081282 in words is "twenty-five million, eighty-one thousand, two hundred eighty-two".