1325172701 has 2 divisors, whose sum is σ = 1325172702. Its totient is φ = 1325172700.

The previous prime is 1325172691. The next prime is 1325172791. The reversal of 1325172701 is 1072715231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921122500 + 404050201 = 30350^2 + 20101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325172701 - 2¹⁴ = 1325156317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325172791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662586350 + 662586351.

It is an arithmetic number, because the mean of its divisors is an integer number (662586351).

Almost surely, 2^1325172701 is an apocalyptic number.

It is an amenable number.

1325172701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325172701 is an equidigital number, since it uses as much as digits as its factorization.

1325172701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 1325172701 is about 36402.9215997837. The cubic root of 1325172701 is about 1098.3923349914.

Adding to 1325172701 its reverse (1072715231), we get a palindrome (2397887932).

The spelling of 1325172701 in words is "one billion, three hundred twenty-five million, one hundred seventy-two thousand, seven hundred one".