289702725 has 48 divisors (see below), whose sum is σ = 524383104. Its totient is φ = 140256000.

The previous prime is 289702723. The next prime is 289702727. The reversal of 289702725 is 527207982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (289702723) and next prime (289702727).

It is not a de Polignac number, because 289702725 - 2¹ = 289702723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289702723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57040 + ... + 61910.

It is an arithmetic number, because the mean of its divisors is an integer number (10924648).

Almost surely, 2^289702725 is an apocalyptic number.

289702725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289702725 is a deficient number, since it is larger than the sum of its proper divisors (234680379).

289702725 is a wasteful number, since it uses less digits than its factorization.

289702725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 289702725 is about 17020.6558334278. The cubic root of 289702725 is about 661.6843456697.

The spelling of 289702725 in words is "two hundred eighty-nine million, seven hundred two thousand, seven hundred twenty-five".