78525463 has 2 divisors, whose sum is σ = 78525464. Its totient is φ = 78525462.

The previous prime is 78525313. The next prime is 78525479. The reversal of 78525463 is 36452587.

It is a strong prime.

It is an emirp because it is prime and its reverse (36452587) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78525463 - 2⁹ = 78524951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78525493) by changing a digit.

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 as a sum of consecutive naturals, namely, 39262731 + 39262732.

It is an arithmetic number, because the mean of its divisors is an integer number (39262732).

Almost surely, 2^78525463 is an apocalyptic number.

78525463 is a deficient number, since it is larger than the sum of its proper divisors (1).

78525463 is an equidigital number, since it uses as much as digits as its factorization.

78525463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 78525463 is about 8861.4594170486. The cubic root of 78525463 is about 428.2231763979.

The spelling of 78525463 in words is "seventy-eight million, five hundred twenty-five thousand, four hundred sixty-three".