1401072625 has 16 divisors (see below), whose sum is σ = 1751115600. Its totient is φ = 1119206400.

The previous prime is 1401072611. The next prime is 1401072637. The reversal of 1401072625 is 5262701041.

It can be written as a sum of positive squares in 8 ways, for example, as 1122049009 + 279023616 = 33497^2 + 16704^2 .

It is not a de Polignac number, because 1401072625 - 2²⁵ = 1367518193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401072593 and 1401072602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80721 + ... + 96529.

It is an arithmetic number, because the mean of its divisors is an integer number (109444725).

Almost surely, 2^1401072625 is an apocalyptic number.

It is an amenable number.

1401072625 is a deficient number, since it is larger than the sum of its proper divisors (350042975).

1401072625 is an equidigital number, since it uses as much as digits as its factorization.

1401072625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16533 (or 16523 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1401072625 is about 37430.9046778194. The cubic root of 1401072625 is about 1118.9745676551.

Adding to 1401072625 its reverse (5262701041), we get a palindrome (6663773666).

The spelling of 1401072625 in words is "one billion, four hundred one million, seventy-two thousand, six hundred twenty-five".