25284511484 has 6 divisors (see below), whose sum is σ = 44247895104. Its totient is φ = 12642255740.

The previous prime is 25284511457. The next prime is 25284511489. The reversal of 25284511484 is 48411548252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25284511489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160563932 + ... + 3160563939.

It is an arithmetic number, because the mean of its divisors is an integer number (7374649184).

Almost surely, 2^25284511484 is an apocalyptic number.

It is an amenable number.

25284511484 is a deficient number, since it is larger than the sum of its proper divisors (18963383620).

25284511484 is a wasteful number, since it uses less digits than its factorization.

25284511484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321127875 (or 6321127873 counting only the distinct ones).

The product of its digits is 409600, while the sum is 44.

The spelling of 25284511484 in words is "twenty-five billion, two hundred eighty-four million, five hundred eleven thousand, four hundred eighty-four".