15151001 has 2 divisors, whose sum is σ = 15151002. Its totient is φ = 15151000.

The previous prime is 15150959. The next prime is 15151027. The reversal of 15151001 is 10015151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8265625 + 6885376 = 2875^2 + 2624^2 .

It is a cyclic number.

It is not a de Polignac number, because 15151001 - 2¹⁸ = 14888857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15151051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575500 + 7575501.

It is an arithmetic number, because the mean of its divisors is an integer number (7575501).

Almost surely, 2^15151001 is an apocalyptic number.

It is an amenable number.

15151001 is a deficient number, since it is larger than the sum of its proper divisors (1).

15151001 is an equidigital number, since it uses as much as digits as its factorization.

15151001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 15151001 is about 3892.4286762894. The cubic root of 15151001 is about 247.4460025724.

Adding to 15151001 its reverse (10015151), we get a palindrome (25166152).

The spelling of 15151001 in words is "fifteen million, one hundred fifty-one thousand, one".