1025308172 has 24 divisors (see below), whose sum is σ = 2158544640. Its totient is φ = 416290320.

The previous prime is 1025308171. The next prime is 1025308181. The reversal of 1025308172 is 2718035201.

It is not an unprimeable number, because it can be changed into a prime (1025308171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963104 + ... + 964167.

It is an arithmetic number, because the mean of its divisors is an integer number (89939360).

Almost surely, 2^1025308172 is an apocalyptic number.

It is an amenable number.

1025308172 is an abundant number, since it is smaller than the sum of its proper divisors (1133236468).

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

1025308172 is a wasteful number, since it uses less digits than its factorization.

1025308172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927301 (or 1927299 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1025308172 is about 32020.4336635218. The cubic root of 1025308172 is about 1008.3658743105.

The spelling of 1025308172 in words is "one billion, twenty-five million, three hundred eight thousand, one hundred seventy-two".