25742035 has 16 divisors (see below), whose sum is σ = 34110720. Its totient is φ = 18492640.

The previous prime is 25742033. The next prime is 25742039. The reversal of 25742035 is 53024752.

It is not a de Polignac number, because 25742035 - 2¹ = 25742033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25741994 and 25742012.

It is not an unprimeable number, because it can be changed into a prime (25742033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746 + ... + 7384.

It is an arithmetic number, because the mean of its divisors is an integer number (2131920).

Almost surely, 2^25742035 is an apocalyptic number.

25742035 is a deficient number, since it is larger than the sum of its proper divisors (8368685).

25742035 is a wasteful number, since it uses less digits than its factorization.

25742035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25742035 is about 5073.6609070769. The cubic root of 25742035 is about 295.2665789108.

Adding to 25742035 its reverse (53024752), we get a palindrome (78766787).

The spelling of 25742035 in words is "twenty-five million, seven hundred forty-two thousand, thirty-five".