83425073 has 4 divisors (see below), whose sum is σ = 83572260. Its totient is φ = 83277888.

The previous prime is 83425051. The next prime is 83425079. The reversal of 83425073 is 37052438.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27952369 + 55472704 = 5287^2 + 7448^2 .

It is a cyclic number.

It is not a de Polignac number, because 83425073 - 2¹⁶ = 83359537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83425079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72740 + ... + 73877.

It is an arithmetic number, because the mean of its divisors is an integer number (20893065).

Almost surely, 2^83425073 is an apocalyptic number.

It is an amenable number.

83425073 is a deficient number, since it is larger than the sum of its proper divisors (147187).

83425073 is a wasteful number, since it uses less digits than its factorization.

83425073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147186.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 83425073 is about 9133.7326980813. The cubic root of 83425073 is about 436.9504575478.

The spelling of 83425073 in words is "eighty-three million, four hundred twenty-five thousand, seventy-three".