83147925 has 48 divisors (see below), whose sum is σ = 158660480. Its totient is φ = 37635840.

The previous prime is 83147923. The next prime is 83147929. The reversal of 83147925 is 52974138.

It is not a de Polignac number, because 83147925 - 2¹ = 83147923 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83147923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56499 + ... + 57951.

Almost surely, 2^83147925 is an apocalyptic number.

It is an amenable number.

83147925 is a deficient number, since it is larger than the sum of its proper divisors (75512555).

83147925 is a wasteful number, since it uses less digits than its factorization.

83147925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1577 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 83147925 is about 9118.5484042143. The cubic root of 83147925 is about 436.4660536314.

The spelling of 83147925 in words is "eighty-three million, one hundred forty-seven thousand, nine hundred twenty-five".