1325061501 has 16 divisors (see below), whose sum is σ = 1910001600. Its totient is φ = 814261248.

The previous prime is 1325061497. The next prime is 1325061503. The reversal of 1325061501 is 1051605231.

It is not a de Polignac number, because 1325061501 - 2² = 1325061497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325061503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312036 + ... + 316253.

It is an arithmetic number, because the mean of its divisors is an integer number (119375100).

Almost surely, 2^1325061501 is an apocalyptic number.

It is an amenable number.

1325061501 is a deficient number, since it is larger than the sum of its proper divisors (584940099).

1325061501 is a wasteful number, since it uses less digits than its factorization.

1325061501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628348.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1325061501 is about 36401.3942178044. The cubic root of 1325061501 is about 1098.3616107836.

Adding to 1325061501 its reverse (1051605231), we get a palindrome (2376666732).

The spelling of 1325061501 in words is "one billion, three hundred twenty-five million, sixty-one thousand, five hundred one".