1325633490 has 24 divisors (see below), whose sum is σ = 3446647308. Its totient is φ = 353502240.

The previous prime is 1325633489. The next prime is 1325633503. The reversal of 1325633490 is 943365231.

It is a happy number.

1325633490 is a `hidden beast` number, since 1 + 3 + 2 + 563 + 3 + 4 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1171898289 + 153735201 = 34233^2 + 12399^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7364541 + ... + 7364720.

Almost surely, 2^1325633490 is an apocalyptic number.

1325633490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325633490 is an abundant number, since it is smaller than the sum of its proper divisors (2121013818).

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

1325633490 is a wasteful number, since it uses less digits than its factorization.

1325633490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14729274 (or 14729271 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 1325633490 is about 36409.2500609392. The cubic root of 1325633490 is about 1098.5196312180.

The spelling of 1325633490 in words is "one billion, three hundred twenty-five million, six hundred thirty-three thousand, four hundred ninety".