1325639235 has 8 divisors (see below), whose sum is σ = 2121022800. Its totient is φ = 707007584.

The previous prime is 1325639171. The next prime is 1325639239. The reversal of 1325639235 is 5329365231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1325639235 - 2⁶ = 1325639171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325639193 and 1325639202.

It is not an unprimeable number, because it can be changed into a prime (1325639239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44187960 + ... + 44187989.

It is an arithmetic number, because the mean of its divisors is an integer number (265127850).

Almost surely, 2^1325639235 is an apocalyptic number.

1325639235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1325639235 is a deficient number, since it is larger than the sum of its proper divisors (795383565).

1325639235 is an equidigital number, since it uses as much as digits as its factorization.

1325639235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88375957.

The product of its digits is 145800, while the sum is 39.

The square root of 1325639235 is about 36409.3289556399. The cubic root of 1325639235 is about 1098.5212181288.

The spelling of 1325639235 in words is "one billion, three hundred twenty-five million, six hundred thirty-nine thousand, two hundred thirty-five".