825258461 has 4 divisors (see below), whose sum is σ = 825390624. Its totient is φ = 825126300.

The previous prime is 825258457. The next prime is 825258479. The reversal of 825258461 is 164852528.

It is a happy number.

825258461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 825258461 - 2² = 825258457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825258491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56225 + ... + 69366.

It is an arithmetic number, because the mean of its divisors is an integer number (206347656).

Almost surely, 2^825258461 is an apocalyptic number.

It is an amenable number.

825258461 is a deficient number, since it is larger than the sum of its proper divisors (132163).

825258461 is a wasteful number, since it uses less digits than its factorization.

825258461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132162.

The product of its digits is 153600, while the sum is 41.

The square root of 825258461 is about 28727.3121088625. The cubic root of 825258461 is about 937.9866599455.

The spelling of 825258461 in words is "eight hundred twenty-five million, two hundred fifty-eight thousand, four hundred sixty-one".