78526025 has 24 divisors (see below), whose sum is σ = 104380224. Its totient is φ = 58449600.

The previous prime is 78526013. The next prime is 78526033. The reversal of 78526025 is 52062587.

It is not a de Polignac number, because 78526025 - 2¹⁰ = 78525001 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 19430 + ... + 23120.

It is an arithmetic number, because the mean of its divisors is an integer number (4349176).

Almost surely, 2^78526025 is an apocalyptic number.

It is an amenable number.

78526025 is a deficient number, since it is larger than the sum of its proper divisors (25854199).

78526025 is a wasteful number, since it uses less digits than its factorization.

78526025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761 (or 3756 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 78526025 is about 8861.4911273442. The cubic root of 78526025 is about 428.2241979809.

The spelling of 78526025 in words is "seventy-eight million, five hundred twenty-six thousand, twenty-five".