1427615425 has 6 divisors (see below), whose sum is σ = 1770243158. Its totient is φ = 1142092320.

The previous prime is 1427615419. The next prime is 1427615429. The reversal of 1427615425 is 5245167241.

It can be written as a sum of positive squares in 3 ways, for example, as 1495729 + 1426119696 = 1223^2 + 37764^2 .

It is not a de Polignac number, because 1427615425 - 2¹¹ = 1427613377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427615429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28552284 + ... + 28552333.

Almost surely, 2^1427615425 is an apocalyptic number.

It is an amenable number.

1427615425 is a deficient number, since it is larger than the sum of its proper divisors (342627733).

1427615425 is an equidigital number, since it uses as much as digits as its factorization.

1427615425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57104627 (or 57104622 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 1427615425 is about 37783.7984458948. The cubic root of 1427615425 is about 1125.9965950826.

The spelling of 1427615425 in words is "one billion, four hundred twenty-seven million, six hundred fifteen thousand, four hundred twenty-five".