25006250 has 24 divisors (see below), whose sum is σ = 46895436. Its totient is φ = 10000000.

The previous prime is 25006231. The next prime is 25006273. The reversal of 25006250 is 5260052.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9078169 + 15928081 = 3013^2 + 3991^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4250 + ... + 8250.

Almost surely, 2^25006250 is an apocalyptic number.

25006250 is a deficient number, since it is larger than the sum of its proper divisors (21889186).

25006250 is an frugal number, since it uses more digits than its factorization.

25006250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25006250 is about 5000.6249609424. The cubic root of 25006250 is about 292.4261386055.

It can be divided in two parts, 2500 and 6250, that multiplied together give a cube (15625000 = 250³).

The spelling of 25006250 in words is "twenty-five million, six thousand, two hundred fifty".