1425505172 has 96 divisors (see below), whose sum is σ = 3293740800. Its totient is φ = 524040192.

The previous prime is 1425505171. The next prime is 1425505259. The reversal of 1425505172 is 2715055241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425505171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364604 + ... + 368492.

It is an arithmetic number, because the mean of its divisors is an integer number (34309800).

Almost surely, 2^1425505172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425505172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646870400).

1425505172 is an abundant number, since it is smaller than the sum of its proper divisors (1868235628).

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

1425505172 is a wasteful number, since it uses less digits than its factorization.

1425505172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 1425505172 is about 37755.8627500419. The cubic root of 1425505172 is about 1125.4415180899.

The spelling of 1425505172 in words is "one billion, four hundred twenty-five million, five hundred five thousand, one hundred seventy-two".