1325015001 has 12 divisors (see below), whose sum is σ = 1935416340. Its totient is φ = 873417600.

The previous prime is 1325014991. The next prime is 1325015011. The reversal of 1325015001 is 1005105231.

It is an interprime number because it is at equal distance from previous prime (1325014991) and next prime (1325015011).

It can be written as a sum of positive squares in 2 ways, for example, as 549949401 + 775065600 = 23451^2 + 27840^2 .

It is not a de Polignac number, because 1325015001 - 2²⁷ = 1190797273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325015011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826300 + ... + 827901.

It is an arithmetic number, because the mean of its divisors is an integer number (161284695).

Almost surely, 2^1325015001 is an apocalyptic number.

It is an amenable number.

1325015001 is a deficient number, since it is larger than the sum of its proper divisors (610401339).

1325015001 is a wasteful number, since it uses less digits than its factorization.

1325015001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654296 (or 1654293 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1325015001 is about 36400.7555004014. The cubic root of 1325015001 is about 1098.3487624712.

The spelling of 1325015001 in words is "one billion, three hundred twenty-five million, fifteen thousand, one".