825132904 has 8 divisors (see below), whose sum is σ = 1547124210. Its totient is φ = 412566448.

The previous prime is 825132901. The next prime is 825132907. The reversal of 825132904 is 409231528.

It is an interprime number because it is at equal distance from previous prime (825132901) and next prime (825132907).

It can be written as a sum of positive squares in only one way, i.e., 697488100 + 127644804 = 26410^2 + 11298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×825132904³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 825132904.

It is not an unprimeable number, because it can be changed into a prime (825132901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51570799 + ... + 51570814.

Almost surely, 2^825132904 is an apocalyptic number.

It is an amenable number.

825132904 is a deficient number, since it is larger than the sum of its proper divisors (721991306).

825132904 is a wasteful number, since it uses less digits than its factorization.

825132904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103141619 (or 103141615 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 825132904 is about 28725.1267012001. The cubic root of 825132904 is about 937.9390882776.

The spelling of 825132904 in words is "eight hundred twenty-five million, one hundred thirty-two thousand, nine hundred four".