83125901 has 4 divisors (see below), whose sum is σ = 85153404. Its totient is φ = 81098400.

The previous prime is 83125897. The next prime is 83125921. The reversal of 83125901 is 10952138.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10952138 = 2 ⋅5476069.

It can be written as a sum of positive squares in 2 ways, for example, as 37576900 + 45549001 = 6130^2 + 6749^2 .

It is a cyclic number.

It is not a de Polignac number, because 83125901 - 2² = 83125897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83125921) 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, 1013690 + ... + 1013771.

It is an arithmetic number, because the mean of its divisors is an integer number (21288351).

Almost surely, 2^83125901 is an apocalyptic number.

It is an amenable number.

83125901 is a deficient number, since it is larger than the sum of its proper divisors (2027503).

83125901 is a wasteful number, since it uses less digits than its factorization.

83125901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027502.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 83125901 is about 9117.3406758769. The cubic root of 83125901 is about 436.4275135747.

The spelling of 83125901 in words is "eighty-three million, one hundred twenty-five thousand, nine hundred one".