1425725725 has 12 divisors (see below), whose sum is σ = 1844765856. Its totient is φ = 1090989680.

The previous prime is 1425725713. The next prime is 1425725729. The reversal of 1425725725 is 5275275241.

It is a de Polignac number, because none of the positive numbers 2^k-1425725725 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425725729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1239187 + ... + 1240336.

It is an arithmetic number, because the mean of its divisors is an integer number (153730488).

Almost surely, 2^1425725725 is an apocalyptic number.

It is an amenable number.

1425725725 is a deficient number, since it is larger than the sum of its proper divisors (419040131).

1425725725 is a wasteful number, since it uses less digits than its factorization.

1425725725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479556 (or 2479551 counting only the distinct ones).

The product of its digits is 196000, while the sum is 40.

The square root of 1425725725 is about 37758.7834152532. The cubic root of 1425725725 is about 1125.4995575619.

The spelling of 1425725725 in words is "one billion, four hundred twenty-five million, seven hundred twenty-five thousand, seven hundred twenty-five".