1255325001 has 16 divisors (see below), whose sum is σ = 1978838400. Its totient is φ = 692592768.

The previous prime is 1255324991. The next prime is 1255325017. The reversal of 1255325001 is 1005235521.

It is a happy number.

It is not a de Polignac number, because 1255325001 - 2¹⁴ = 1255308617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1255325051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030036 + ... + 1031253.

It is an arithmetic number, because the mean of its divisors is an integer number (123677400).

Almost surely, 2^1255325001 is an apocalyptic number.

It is an amenable number.

1255325001 is a deficient number, since it is larger than the sum of its proper divisors (723513399).

1255325001 is a wasteful number, since it uses less digits than its factorization.

1255325001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061328.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1255325001 is about 35430.5659141934. The cubic root of 1255325001 is about 1078.7448269573.

The spelling of 1255325001 in words is "one billion, two hundred fifty-five million, three hundred twenty-five thousand, one".