1325651634 has 48 divisors (see below), whose sum is σ = 2934484800. Its totient is φ = 432384480.

The previous prime is 1325651633. The next prime is 1325651669. The reversal of 1325651634 is 4361565231.

1325651634 is a `hidden beast` number, since 1 + 32 + 565 + 1 + 63 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (1325651633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215469 + ... + 221535.

It is an arithmetic number, because the mean of its divisors is an integer number (61135100).

Almost surely, 2^1325651634 is an apocalyptic number.

1325651634 is an abundant number, since it is smaller than the sum of its proper divisors (1608833166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325651634 is a wasteful number, since it uses less digits than its factorization.

1325651634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335 (or 6332 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1325651634 is about 36409.4992275368. The cubic root of 1325651634 is about 1098.5246430229.

The spelling of 1325651634 in words is "one billion, three hundred twenty-five million, six hundred fifty-one thousand, six hundred thirty-four".