1500725701 has 2 divisors, whose sum is σ = 1500725702. Its totient is φ = 1500725700.

The previous prime is 1500725579. The next prime is 1500725719. The reversal of 1500725701 is 1075270051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1263873601 + 236852100 = 35551^2 + 15390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500725701 - 2²⁷ = 1366507973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1500725701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500720701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750362850 + 750362851.

It is an arithmetic number, because the mean of its divisors is an integer number (750362851).

Almost surely, 2^1500725701 is an apocalyptic number.

It is an amenable number.

1500725701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500725701 is an equidigital number, since it uses as much as digits as its factorization.

1500725701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 1500725701 is about 38739.2010888196. The cubic root of 1500725701 is about 1144.8988172953.

Adding to 1500725701 its reverse (1075270051), we get a palindrome (2575995752).

The spelling of 1500725701 in words is "one billion, five hundred million, seven hundred twenty-five thousand, seven hundred one".