7812485 has 16 divisors (see below), whose sum is σ = 9694080. Its totient is φ = 6041280.

The previous prime is 7812463. The next prime is 7812487. The reversal of 7812485 is 5842187.

It is not a de Polignac number, because 7812485 - 2⁶ = 7812421 is a prime.

It is a super-2 number, since 2×7812485² = 122069843750450, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7812487) 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 in 15 ways as a sum of consecutive naturals, for example, 20759 + ... + 21131.

It is an arithmetic number, because the mean of its divisors is an integer number (605880).

Almost surely, 2^7812485 is an apocalyptic number.

It is an amenable number.

7812485 is a deficient number, since it is larger than the sum of its proper divisors (1881595).

7812485 is a wasteful number, since it uses less digits than its factorization.

7812485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508.

The product of its digits is 17920, while the sum is 35.

The square root of 7812485 is about 2795.0822885919. The cubic root of 7812485 is about 198.4250045039.

The spelling of 7812485 in words is "seven million, eight hundred twelve thousand, four hundred eighty-five".