83214025 has 6 divisors (see below), whose sum is σ = 103185422. Its totient is φ = 66571200.

The previous prime is 83213993. The next prime is 83214029. The reversal of 83214025 is 52041238.

It can be written as a sum of positive squares in 3 ways, for example, as 10810944 + 72403081 = 3288^2 + 8509^2 .

It is not a de Polignac number, because 83214025 - 2⁵ = 83213993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 3328561 = 83214025 / (8 + 3 + 2 + 1 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83214029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1664256 + ... + 1664305.

Almost surely, 2^83214025 is an apocalyptic number.

It is an amenable number.

83214025 is a deficient number, since it is larger than the sum of its proper divisors (19971397).

83214025 is a wasteful number, since it uses less digits than its factorization.

83214025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328571 (or 3328566 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 83214025 is about 9122.1721645669. The cubic root of 83214025 is about 436.5816819507.

The spelling of 83214025 in words is "eighty-three million, two hundred fourteen thousand, twenty-five".