1254525001 has 4 divisors (see below), whose sum is σ = 1254597012. Its totient is φ = 1254452992.

The previous prime is 1254524981. The next prime is 1254525059. The reversal of 1254525001 is 1005254521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 65999376 + 1188525625 = 8124^2 + 34475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254525001 - 2¹⁷ = 1254393929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254525091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8301 + ... + 50773.

It is an arithmetic number, because the mean of its divisors is an integer number (313649253).

Almost surely, 2^1254525001 is an apocalyptic number.

It is an amenable number.

1254525001 is a deficient number, since it is larger than the sum of its proper divisors (72011).

1254525001 is an equidigital number, since it uses as much as digits as its factorization.

1254525001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72010.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1254525001 is about 35419.2744279157. The cubic root of 1254525001 is about 1078.5156222360.

Adding to 1254525001 its reverse (1005254521), we get a palindrome (2259779522).

The spelling of 1254525001 in words is "one billion, two hundred fifty-four million, five hundred twenty-five thousand, one".