25070140 has 24 divisors (see below), whose sum is σ = 52763760. Its totient is φ = 10005888.

The previous prime is 25070117. The next prime is 25070167. The reversal of 25070140 is 4107052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10279 + ... + 12481.

It is an arithmetic number, because the mean of its divisors is an integer number (2198490).

Almost surely, 2^25070140 is an apocalyptic number.

25070140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25070140 is an abundant number, since it is smaller than the sum of its proper divisors (27693620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25070140 is a wasteful number, since it uses less digits than its factorization.

25070140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 25070140 is about 5007.0090872696. The cubic root of 25070140 is about 292.6749726237.

Adding to 25070140 its reverse (4107052), we get a palindrome (29177192).

The spelling of 25070140 in words is "twenty-five million, seventy thousand, one hundred forty".