1325501051 has 8 divisors (see below), whose sum is σ = 1519795200. Its totient is φ = 1132441128.

The previous prime is 1325501041. The next prime is 1325501071. The reversal of 1325501051 is 1501055231.

It is a happy number.

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

It is not a de Polignac number, because 1325501051 - 2¹⁸ = 1325238907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325501011) 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, 306251 + ... + 310548.

It is an arithmetic number, because the mean of its divisors is an integer number (189974400).

Almost surely, 2^1325501051 is an apocalyptic number.

1325501051 is a deficient number, since it is larger than the sum of its proper divisors (194294149).

1325501051 is an equidigital number, since it uses as much as digits as its factorization.

1325501051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617113.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1325501051 is about 36407.4312606644. The cubic root of 1325501051 is about 1098.4830470270.

Adding to 1325501051 its reverse (1501055231), we get a palindrome (2826556282).

The spelling of 1325501051 in words is "one billion, three hundred twenty-five million, five hundred one thousand, fifty-one".