25010140 has 12 divisors (see below), whose sum is σ = 52521336. Its totient is φ = 10004048.

The previous prime is 25010071. The next prime is 25010143. The reversal of 25010140 is 4101052.

It is a self number, because there is not a number n which added to its sum of digits gives 25010140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25010143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625234 + ... + 625273.

It is an arithmetic number, because the mean of its divisors is an integer number (4376778).

Almost surely, 2^25010140 is an apocalyptic number.

25010140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25010140 is an abundant number, since it is smaller than the sum of its proper divisors (27511196).

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

25010140 is a wasteful number, since it uses less digits than its factorization.

25010140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250516 (or 1250514 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 25010140 is about 5001.0138972012. The cubic root of 25010140 is about 292.4413011975.

Adding to 25010140 its reverse (4101052), we get a palindrome (29111192).

The spelling of 25010140 in words is "twenty-five million, ten thousand, one hundred forty".