25130042 has 24 divisors (see below), whose sum is σ = 44169300. Its totient is φ = 10691520.

The previous prime is 25130033. The next prime is 25130051. The reversal of 25130042 is 24003152.

It is an interprime number because it is at equal distance from previous prime (25130033) and next prime (25130051).

It can be written as a sum of positive squares in 2 ways, for example, as 24910081 + 219961 = 4991^2 + 469^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25130042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13742 + ... + 15462.

Almost surely, 2^25130042 is an apocalyptic number.

25130042 is a deficient number, since it is larger than the sum of its proper divisors (19039258).

25130042 is a wasteful number, since it uses less digits than its factorization.

25130042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1879 counting only the distinct ones).

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

The square root of 25130042 is about 5012.9873329184. The cubic root of 25130042 is about 292.9078907665.

Adding to 25130042 its reverse (24003152), we get a palindrome (49133194).

The spelling of 25130042 in words is "twenty-five million, one hundred thirty thousand, forty-two".