1409975425 has 6 divisors (see below), whose sum is σ = 1748369558. Its totient is φ = 1127980320.

The previous prime is 1409975383. The next prime is 1409975429. The reversal of 1409975425 is 5245799041.

It can be written as a sum of positive squares in 3 ways, for example, as 93083904 + 1316891521 = 9648^2 + 36289^2 .

It is not a de Polignac number, because 1409975425 - 2¹¹ = 1409973377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409975429) 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, 28199484 + ... + 28199533.

Almost surely, 2^1409975425 is an apocalyptic number.

It is an amenable number.

1409975425 is a deficient number, since it is larger than the sum of its proper divisors (338394133).

1409975425 is an equidigital number, since it uses as much as digits as its factorization.

1409975425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56399027 (or 56399022 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 1409975425 is about 37549.6394789617. The cubic root of 1409975425 is about 1121.3396557396.

The spelling of 1409975425 in words is "one billion, four hundred nine million, nine hundred seventy-five thousand, four hundred twenty-five".