25161016 has 16 divisors (see below), whose sum is σ = 49660200. Its totient is φ = 11918304.

The previous prime is 25161013. The next prime is 25161023. The reversal of 25161016 is 61016152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25161013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82615 + ... + 82918.

Almost surely, 2^25161016 is an apocalyptic number.

It is an amenable number.

25161016 is a deficient number, since it is larger than the sum of its proper divisors (24499184).

25161016 is a wasteful number, since it uses less digits than its factorization.

25161016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165558 (or 165554 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 25161016 is about 5016.0757570037. The cubic root of 25161016 is about 293.0281824360.

Adding to 25161016 its reverse (61016152), we get a palindrome (86177168).

The spelling of 25161016 in words is "twenty-five million, one hundred sixty-one thousand, sixteen".