825280302 has 64 divisors (see below), whose sum is σ = 2061494784. Its totient is φ = 213978240.

The previous prime is 825280241. The next prime is 825280307. The reversal of 825280302 is 203082528.

It is a super-2 number, since 2×825280302² = 1362175153738422408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 825280302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825280307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337428 + ... + 339864.

It is an arithmetic number, because the mean of its divisors is an integer number (32210856).

Almost surely, 2^825280302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 825280302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030747392).

825280302 is an abundant number, since it is smaller than the sum of its proper divisors (1236214482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825280302 is a wasteful number, since it uses less digits than its factorization.

825280302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 825280302 is about 28727.6922498136. The cubic root of 825280302 is about 937.9949346808.

The spelling of 825280302 in words is "eight hundred twenty-five million, two hundred eighty thousand, three hundred two".