25452001 has 8 divisors (see below), whose sum is σ = 27415520. Its totient is φ = 23550912.

The previous prime is 25451999. The next prime is 25452013. The reversal of 25452001 is 10025452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25452001 - 2¹ = 25451999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25452001.

It is not an unprimeable number, because it can be changed into a prime (25452071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14760 + ... + 16393.

It is an arithmetic number, because the mean of its divisors is an integer number (3426940).

Almost surely, 2^25452001 is an apocalyptic number.

It is an amenable number.

25452001 is a deficient number, since it is larger than the sum of its proper divisors (1963519).

25452001 is a wasteful number, since it uses less digits than its factorization.

25452001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31215.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25452001 is about 5044.9976214068. The cubic root of 25452001 is about 294.1534708623.

Adding to 25452001 its reverse (10025452), we get a palindrome (35477453).

The spelling of 25452001 in words is "twenty-five million, four hundred fifty-two thousand, one".