25010240 has 28 divisors (see below), whose sum is σ = 59556396. Its totient is φ = 10003968.

The previous prime is 25010233. The next prime is 25010243. The reversal of 25010240 is 4201052.

It can be written as a sum of positive squares in 2 ways, for example, as 3182656 + 21827584 = 1784^2 + 4672^2 .

It is not an unprimeable number, because it can be changed into a prime (25010243) 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, 38759 + ... + 39398.

Almost surely, 2^25010240 is an apocalyptic number.

25010240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25010240 is an abundant number, since it is smaller than the sum of its proper divisors (34546156).

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

25010240 is an equidigital number, since it uses as much as digits as its factorization.

25010240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78174 (or 78164 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 25010240 is about 5001.0238951639. The cubic root of 25010240 is about 292.4416909606.

Adding to 25010240 its reverse (4201052), we get a palindrome (29211292).

It can be divided in two parts, 250 and 10240, that multiplied together give a 4-th power (2560000 = 40⁴).

The spelling of 25010240 in words is "twenty-five million, ten thousand, two hundred forty".