25021034 has 4 divisors (see below), whose sum is σ = 37531554. Its totient is φ = 12510516.

The previous prime is 25021027. The next prime is 25021037. The reversal of 25021034 is 43012052.

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., 14478025 + 10543009 = 3805^2 + 3247^2 .

It is not an unprimeable number, because it can be changed into a prime (25021037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255257 + ... + 6255260.

Almost surely, 2^25021034 is an apocalyptic number.

25021034 is a deficient number, since it is larger than the sum of its proper divisors (12510520).

25021034 is a wasteful number, since it uses less digits than its factorization.

25021034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12510519.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25021034 is about 5002.1029577569. The cubic root of 25021034 is about 292.4837558856.

Adding to 25021034 its reverse (43012052), we get a palindrome (68033086).

The spelling of 25021034 in words is "twenty-five million, twenty-one thousand, thirty-four".