1325633496 has 128 divisors (see below), whose sum is σ = 3887308800. Its totient is φ = 372401280.

The previous prime is 1325633489. The next prime is 1325633503. The reversal of 1325633496 is 6943365231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1325633489) and next prime (1325633503).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232941 + ... + 238563.

It is an arithmetic number, because the mean of its divisors is an integer number (30369600).

Almost surely, 2^1325633496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325633496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1943654400).

1325633496 is an abundant number, since it is smaller than the sum of its proper divisors (2561675304).

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

1325633496 is a wasteful number, since it uses less digits than its factorization.

1325633496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709 (or 5705 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 1325633496 is about 36409.2501433358. The cubic root of 1325633496 is about 1098.5196328754.

The spelling of 1325633496 in words is "one billion, three hundred twenty-five million, six hundred thirty-three thousand, four hundred ninety-six".