1151625001 has 2 divisors, whose sum is σ = 1151625002. Its totient is φ = 1151625000.

The previous prime is 1151624939. The next prime is 1151625029. The reversal of 1151625001 is 1005261511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 907515625 + 244109376 = 30125^2 + 15624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151625001 - 2²⁷ = 1017407273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151625091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575812500 + 575812501.

It is an arithmetic number, because the mean of its divisors is an integer number (575812501).

Almost surely, 2^1151625001 is an apocalyptic number.

It is an amenable number.

1151625001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151625001 is an equidigital number, since it uses as much as digits as its factorization.

1151625001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1151625001 is about 33935.6007903205. The cubic root of 1151625001 is about 1048.1827981860.

Adding to 1151625001 its reverse (1005261511), we get a palindrome (2156886512).

The spelling of 1151625001 in words is "one billion, one hundred fifty-one million, six hundred twenty-five thousand, one".