25281034 has 4 divisors (see below), whose sum is σ = 37921554. Its totient is φ = 12640516.

The previous prime is 25281031. The next prime is 25281037. The reversal of 25281034 is 43018252.

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

It is an interprime number because it is at equal distance from previous prime (25281031) and next prime (25281037).

It can be written as a sum of positive squares in only one way, i.e., 20205025 + 5076009 = 4495^2 + 2253^2 .

It is not an unprimeable number, because it can be changed into a prime (25281031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320257 + ... + 6320260.

Almost surely, 2^25281034 is an apocalyptic number.

25281034 is a deficient number, since it is larger than the sum of its proper divisors (12640520).

25281034 is a wasteful number, since it uses less digits than its factorization.

25281034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640519.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25281034 is about 5028.0248607182. The cubic root of 25281034 is about 293.4933582191.

Adding to 25281034 its reverse (43018252), we get a palindrome (68299286).

The spelling of 25281034 in words is "twenty-five million, two hundred eighty-one thousand, thirty-four".