7148571825 has 24 divisors (see below), whose sum is σ = 12514207968. Its totient is φ = 3588302080.

The previous prime is 7148571779. The next prime is 7148571827. The reversal of 7148571825 is 5281758417.

It is not a de Polignac number, because 7148571825 - 2¹⁰ = 7148570801 is a prime.

It is a super-2 number, since 2×7148571825² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7148571827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2802087 + ... + 2804636.

It is an arithmetic number, because the mean of its divisors is an integer number (521425332).

Almost surely, 2^7148571825 is an apocalyptic number.

7148571825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7148571825 is a deficient number, since it is larger than the sum of its proper divisors (5365636143).

7148571825 is a wasteful number, since it uses less digits than its factorization.

7148571825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606753 (or 5606748 counting only the distinct ones).

The product of its digits is 627200, while the sum is 48.

The square root of 7148571825 is about 84549.2272288754. The cubic root of 7148571825 is about 1926.3702460840.

The spelling of 7148571825 in words is "seven billion, one hundred forty-eight million, five hundred seventy-one thousand, eight hundred twenty-five".