825554953 has 4 divisors (see below), whose sum is σ = 843120000. Its totient is φ = 807989908.

The previous prime is 825554929. The next prime is 825554971. The reversal of 825554953 is 359455528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 825554953 - 2²¹ = 823457801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825554993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8782453 + ... + 8782546.

It is an arithmetic number, because the mean of its divisors is an integer number (210780000).

Almost surely, 2^825554953 is an apocalyptic number.

It is an amenable number.

825554953 is a deficient number, since it is larger than the sum of its proper divisors (17565047).

825554953 is a wasteful number, since it uses less digits than its factorization.

825554953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17565046.

The product of its digits is 1080000, while the sum is 46.

The square root of 825554953 is about 28732.4721003954. The cubic root of 825554953 is about 938.0989771792.

The spelling of 825554953 in words is "eight hundred twenty-five million, five hundred fifty-four thousand, nine hundred fifty-three".