15251232001 has 2 divisors, whose sum is σ = 15251232002. Its totient is φ = 15251232000.

The previous prime is 15251231969. The next prime is 15251232011. The reversal of 15251232001 is 10023215251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10470200976 + 4781031025 = 102324^2 + 69145^2 .

It is a cyclic number.

It is not a de Polignac number, because 15251232001 - 2⁵ = 15251231969 is a prime.

It is not a weakly prime, because it can be changed into another prime (15251232011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7625616000 + 7625616001.

It is an arithmetic number, because the mean of its divisors is an integer number (7625616001).

Almost surely, 2^15251232001 is an apocalyptic number.

It is an amenable number.

15251232001 is a deficient number, since it is larger than the sum of its proper divisors (1).

15251232001 is an equidigital number, since it uses as much as digits as its factorization.

15251232001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 15251232001 its reverse (10023215251), we get a palindrome (25274447252).

The spelling of 15251232001 in words is "fifteen billion, two hundred fifty-one million, two hundred thirty-two thousand, one".