1425117725 has 12 divisors (see below), whose sum is σ = 1770047796. Its totient is φ = 1138222080.

The previous prime is 1425117679. The next prime is 1425117737. The reversal of 1425117725 is 5277115241.

It can be written as a sum of positive squares in 6 ways, for example, as 824034436 + 601083289 = 28706^2 + 24517^2 .

It is not a de Polignac number, because 1425117725 - 2²⁰ = 1424069149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31172 + ... + 61821.

It is an arithmetic number, because the mean of its divisors is an integer number (147503983).

Almost surely, 2^1425117725 is an apocalyptic number.

It is an amenable number.

1425117725 is a deficient number, since it is larger than the sum of its proper divisors (344930071).

1425117725 is an equidigital number, since it uses as much as digits as its factorization.

1425117725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93616 (or 93611 counting only the distinct ones).

The product of its digits is 19600, while the sum is 35.

The square root of 1425117725 is about 37750.7314498673. The cubic root of 1425117725 is about 1125.3395452454.

The spelling of 1425117725 in words is "one billion, four hundred twenty-five million, one hundred seventeen thousand, seven hundred twenty-five".