25002284289 has 16 divisors (see below), whose sum is σ = 34265970432. Its totient is φ = 16208960768.

The previous prime is 25002284287. The next prime is 25002284299. The reversal of 25002284289 is 98248220052.

It is a cyclic number.

It is not a de Polignac number, because 25002284289 - 2¹ = 25002284287 is a prime.

It is a super-2 number, since 2×25002284289² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25002284289.

It is not an unprimeable number, because it can be changed into a prime (25002284287) 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, 677817 + ... + 713750.

It is an arithmetic number, because the mean of its divisors is an integer number (2141623152).

Almost surely, 2^25002284289 is an apocalyptic number.

It is an amenable number.

25002284289 is a deficient number, since it is larger than the sum of its proper divisors (9263686143).

25002284289 is a wasteful number, since it uses less digits than its factorization.

25002284289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391736.

The product of its (nonzero) digits is 184320, while the sum is 42.

It can be divided in two parts, 25002 and 284289, that added together give a triangular number (309291 = T₇₈₆).

The spelling of 25002284289 in words is "twenty-five billion, two million, two hundred eighty-four thousand, two hundred eighty-nine".