825132311 has 2 divisors, whose sum is σ = 825132312. Its totient is φ = 825132310.

The previous prime is 825132307. The next prime is 825132313. The reversal of 825132311 is 113231528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825132311 - 2² = 825132307 is a prime.

Together with 825132313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825132313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412566155 + 412566156.

It is an arithmetic number, because the mean of its divisors is an integer number (412566156).

Almost surely, 2^825132311 is an apocalyptic number.

825132311 is a deficient number, since it is larger than the sum of its proper divisors (1).

825132311 is an equidigital number, since it uses as much as digits as its factorization.

825132311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 825132311 is about 28725.1163792246. The cubic root of 825132311 is about 937.9388635874.

Adding to 825132311 its reverse (113231528), we get a palindrome (938363839).

The spelling of 825132311 in words is "eight hundred twenty-five million, one hundred thirty-two thousand, three hundred eleven".