80125605 has 48 divisors (see below), whose sum is σ = 164621184. Its totient is φ = 36624960.

The previous prime is 80125601. The next prime is 80125621. The reversal of 80125605 is 50652108.

It is not a de Polignac number, because 80125605 - 2² = 80125601 is a prime.

It is a super-2 number, since 2×80125605² = 12840225153232050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80125601) 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, 3795 + ... + 13215.

It is an arithmetic number, because the mean of its divisors is an integer number (3429608).

Almost surely, 2^80125605 is an apocalyptic number.

It is an amenable number.

80125605 is an abundant number, since it is smaller than the sum of its proper divisors (84495579).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80125605 is an equidigital number, since it uses as much as digits as its factorization.

80125605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448 (or 9436 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 80125605 is about 8951.2906890571. The cubic root of 80125605 is about 431.1123265638.

The spelling of 80125605 in words is "eighty million, one hundred twenty-five thousand, six hundred five".