80135925 has 48 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 41440000.

The previous prime is 80135921. The next prime is 80135927. The reversal of 80135925 is 52953108.

It is not a de Polignac number, because 80135925 - 2² = 80135921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80135921) 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, 537751 + ... + 537899.

It is an arithmetic number, because the mean of its divisors is an integer number (2845800).

Almost surely, 2^80135925 is an apocalyptic number.

It is an amenable number.

80135925 is a deficient number, since it is larger than the sum of its proper divisors (56462475).

80135925 is a wasteful number, since it uses less digits than its factorization.

80135925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 80135925 is about 8951.8671236787. The cubic root of 80135925 is about 431.1308345394.

The spelling of 80135925 in words is "eighty million, one hundred thirty-five thousand, nine hundred twenty-five".