25102042 has 16 divisors (see below), whose sum is σ = 43948800. Its totient is φ = 10528848.

The previous prime is 25102003. The next prime is 25102043. The reversal of 25102042 is 24020152.

It is a super-2 number, since 2×25102042² = 1260225025139528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25102043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18417 + ... + 19732.

It is an arithmetic number, because the mean of its divisors is an integer number (2746800).

Almost surely, 2^25102042 is an apocalyptic number.

25102042 is a deficient number, since it is larger than the sum of its proper divisors (18846758).

25102042 is a wasteful number, since it uses less digits than its factorization.

25102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38205.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 25102042 is about 5010.1938086266. The cubic root of 25102042 is about 292.7990639309.

Adding to 25102042 its reverse (24020152), we get a palindrome (49122194).

The spelling of 25102042 in words is "twenty-five million, one hundred two thousand, forty-two".