83140325 has 12 divisors (see below), whose sum is σ = 103397028. Its totient is φ = 66316800.

The previous prime is 83140307. The next prime is 83140327. The reversal of 83140325 is 52304138.

It can be written as a sum of positive squares in 6 ways, for example, as 6280036 + 76860289 = 2506^2 + 8767^2 .

It is not a de Polignac number, because 83140325 - 2¹⁸ = 82878181 is a prime.

It is a super-2 number, since 2×83140325² = 13824627282211250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83140294 and 83140303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83140327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4115 + ... + 13535.

It is an arithmetic number, because the mean of its divisors is an integer number (8616419).

Almost surely, 2^83140325 is an apocalyptic number.

It is an amenable number.

83140325 is a deficient number, since it is larger than the sum of its proper divisors (20256703).

83140325 is a wasteful number, since it uses less digits than its factorization.

83140325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9784 (or 9779 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 83140325 is about 9118.1316616947. The cubic root of 83140325 is about 436.4527550711.

The spelling of 83140325 in words is "eighty-three million, one hundred forty thousand, three hundred twenty-five".