25000401 has 16 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 16402128.

The previous prime is 25000373. The next prime is 25000411. The reversal of 25000401 is 10400052.

It is not a de Polignac number, because 25000401 - 2⁷ = 25000273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25000411) 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, 69460 + ... + 69818.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^25000401 is an apocalyptic number.

It is an amenable number.

25000401 is a deficient number, since it is larger than the sum of its proper divisors (8868399).

25000401 is a wasteful number, since it uses less digits than its factorization.

25000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 25000401 is about 5000.0400998392. The cubic root of 25000401 is about 292.4033371877.

Adding to 25000401 its reverse (10400052), we get a palindrome (35400453).

The spelling of 25000401 in words is "twenty-five million, four hundred one", and thus it is an aban number.