827421325 has 6 divisors (see below), whose sum is σ = 1026002474. Its totient is φ = 661937040.

The previous prime is 827421313. The next prime is 827421337. The reversal of 827421325 is 523124728.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (827421313) and next prime (827421337).

It can be written as a sum of positive squares in 3 ways, for example, as 2468041 + 824953284 = 1571^2 + 28722^2 .

It is not a de Polignac number, because 827421325 - 2¹³ = 827413133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16548402 + ... + 16548451.

Almost surely, 2^827421325 is an apocalyptic number.

It is an amenable number.

827421325 is a deficient number, since it is larger than the sum of its proper divisors (198581149).

827421325 is a wasteful number, since it uses less digits than its factorization.

827421325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33096863 (or 33096858 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 827421325 is about 28764.9322092022. The cubic root of 827421325 is about 938.8053803521.

The spelling of 827421325 in words is "eight hundred twenty-seven million, four hundred twenty-one thousand, three hundred twenty-five".