25500070 has 16 divisors (see below), whose sum is σ = 45986688. Its totient is φ = 10180800.

The previous prime is 25500061. The next prime is 25500089. The reversal of 25500070 is 7000552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3970 + ... + 8170.

It is an arithmetic number, because the mean of its divisors is an integer number (2874168).

Almost surely, 2^25500070 is an apocalyptic number.

25500070 is a deficient number, since it is larger than the sum of its proper divisors (20486618).

25500070 is a wasteful number, since it uses less digits than its factorization.

25500070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 25500070 is about 5049.7594002091. The cubic root of 25500070 is about 294.3385351731.

The spelling of 25500070 in words is "twenty-five million, five hundred thousand, seventy".