25000135401 has 8 divisors (see below), whose sum is σ = 33376863520. Its totient is φ = 16645082112.

The previous prime is 25000135397. The next prime is 25000135409. The reversal of 25000135401 is 10453100052.

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

It is not a de Polignac number, because 25000135401 - 2² = 25000135397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25000135409) 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, 5416015 + ... + 5420628.

It is an arithmetic number, because the mean of its divisors is an integer number (4172107940).

Almost surely, 2^25000135401 is an apocalyptic number.

It is an amenable number.

25000135401 is a deficient number, since it is larger than the sum of its proper divisors (8376728119).

25000135401 is a wasteful number, since it uses less digits than its factorization.

25000135401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837415.

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

Adding to 25000135401 its reverse (10453100052), we get a palindrome (35453235453).

The spelling of 25000135401 in words is "twenty-five billion, one hundred thirty-five thousand, four hundred one".