25351401 has 16 divisors (see below), whose sum is σ = 34867584. Its totient is φ = 16372224.

The previous prime is 25351399. The next prime is 25351409. The reversal of 25351401 is 10415352.

It is not a de Polignac number, because 25351401 - 2¹ = 25351399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25351409) 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, 38860 + ... + 39506.

It is an arithmetic number, because the mean of its divisors is an integer number (2179224).

Almost surely, 2^25351401 is an apocalyptic number.

It is an amenable number.

25351401 is a deficient number, since it is larger than the sum of its proper divisors (9516183).

25351401 is a wasteful number, since it uses less digits than its factorization.

25351401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 25351401 is about 5035.0174776261. The cubic root of 25351401 is about 293.7654082155.

Adding to 25351401 its reverse (10415352), we get a palindrome (35766753).

It can be divided in two parts, 25351 and 401, that added together give a palindrome (25752).

The spelling of 25351401 in words is "twenty-five million, three hundred fifty-one thousand, four hundred one".