825376244401 has 4 divisors (see below), whose sum is σ = 825378200100. Its totient is φ = 825374288704.

The previous prime is 825376244393. The next prime is 825376244419. The reversal of 825376244401 is 104442673528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 275441280625 + 549934963776 = 524825^2 + 741576^2 .

It is a cyclic number.

It is not a de Polignac number, because 825376244401 - 2³ = 825376244393 is a prime.

It is a super-3 number, since 3×825376244401³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825376244431) 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, 53596 + ... + 1285933.

It is an arithmetic number, because the mean of its divisors is an integer number (206344550025).

Almost surely, 2^825376244401 is an apocalyptic number.

It is an amenable number.

825376244401 is a deficient number, since it is larger than the sum of its proper divisors (1955699).

825376244401 is a wasteful number, since it uses less digits than its factorization.

825376244401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955698.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 825376244401 in words is "eight hundred twenty-five billion, three hundred seventy-six million, two hundred forty-four thousand, four hundred one".