1401598225 has 6 divisors (see below), whose sum is σ = 1737981830. Its totient is φ = 1121278560.

The previous prime is 1401598183. The next prime is 1401598249. The reversal of 1401598225 is 5228951041.

It can be written as a sum of positive squares in 3 ways, for example, as 37994896 + 1363603329 = 6164^2 + 36927^2 .

It is not a de Polignac number, because 1401598225 - 2¹⁷ = 1401467153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28031940 + ... + 28031989.

Almost surely, 2^1401598225 is an apocalyptic number.

It is an amenable number.

1401598225 is a deficient number, since it is larger than the sum of its proper divisors (336383605).

1401598225 is an equidigital number, since it uses as much as digits as its factorization.

1401598225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56063939 (or 56063934 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1401598225 is about 37437.9249558519. The cubic root of 1401598225 is about 1119.1144746314.

The spelling of 1401598225 in words is "one billion, four hundred one million, five hundred ninety-eight thousand, two hundred twenty-five".