25252401 has 8 divisors (see below), whose sum is σ = 33742080. Its totient is φ = 16798832.

The previous prime is 25252363. The next prime is 25252439. The reversal of 25252401 is 10425252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25252363) and next prime (25252439).

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 25252401 - 2¹⁴ = 25236017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25252441) 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, 7350 + ... + 10223.

It is an arithmetic number, because the mean of its divisors is an integer number (4217760).

Almost surely, 2^25252401 is an apocalyptic number.

It is an amenable number.

25252401 is a deficient number, since it is larger than the sum of its proper divisors (8489679).

25252401 is a wasteful number, since it uses less digits than its factorization.

25252401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18055.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 25252401 is about 5025.1767133107. The cubic root of 25252401 is about 293.3825139933.

Adding to 25252401 its reverse (10425252), we get a palindrome (35677653).

The spelling of 25252401 in words is "twenty-five million, two hundred fifty-two thousand, four hundred one".