1325630427 has 16 divisors (see below), whose sum is σ = 1929607680. Its totient is φ = 802821600.

The previous prime is 1325630419. The next prime is 1325630429. The reversal of 1325630427 is 7240365231.

It is not a de Polignac number, because 1325630427 - 2³ = 1325630419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1325630429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33102 + ... + 61212.

It is an arithmetic number, because the mean of its divisors is an integer number (120600480).

Almost surely, 2^1325630427 is an apocalyptic number.

1325630427 is a deficient number, since it is larger than the sum of its proper divisors (603977253).

1325630427 is a wasteful number, since it uses less digits than its factorization.

1325630427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29554.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 1325630427 is about 36409.2079974283. The cubic root of 1325630427 is about 1098.5187851400.

Adding to 1325630427 its reverse (7240365231), we get a palindrome (8565995658).

The spelling of 1325630427 in words is "one billion, three hundred twenty-five million, six hundred thirty thousand, four hundred twenty-seven".