25005030349 has 8 divisors (see below), whose sum is σ = 27585287352. Its totient is φ = 22518600960.

The previous prime is 25005030341. The next prime is 25005030361. The reversal of 25005030349 is 94303050052.

It can be written as a sum of positive squares in 4 ways, for example, as 50509449 + 24954520900 = 7107^2 + 157970^2 .

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 25005030349 - 2³ = 25005030341 is a prime.

It is a super-2 number, since 2×25005030349² (a number of 22 digits) contains 22 as substring.

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 25005030349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25005030341) 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, 23456344 + ... + 23457409.

It is an arithmetic number, because the mean of its divisors is an integer number (3448160919).

Almost surely, 2^25005030349 is an apocalyptic number.

It is an amenable number.

25005030349 is a deficient number, since it is larger than the sum of its proper divisors (2580257003).

25005030349 is a wasteful number, since it uses less digits than its factorization.

25005030349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46913807.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 25005030349 in words is "twenty-five billion, five million, thirty thousand, three hundred forty-nine".