25070835 has 16 divisors (see below), whose sum is σ = 42473376. Its totient is φ = 12584448.

The previous prime is 25070831. The next prime is 25070873. The reversal of 25070835 is 53807052.

It is a happy number.

It is not a de Polignac number, because 25070835 - 2² = 25070831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25070831) 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, 48904 + ... + 49413.

It is an arithmetic number, because the mean of its divisors is an integer number (2654586).

Almost surely, 2^25070835 is an apocalyptic number.

25070835 is a deficient number, since it is larger than the sum of its proper divisors (17402541).

25070835 is a wasteful number, since it uses less digits than its factorization.

25070835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98342.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 25070835 is about 5007.0784894986. The cubic root of 25070835 is about 292.6776771323.

Adding to 25070835 its reverse (53807052), we get a palindrome (78877887).

The spelling of 25070835 in words is "twenty-five million, seventy thousand, eight hundred thirty-five".