825912413 has 2 divisors, whose sum is σ = 825912414. Its totient is φ = 825912412.

The previous prime is 825912391. The next prime is 825912433. The reversal of 825912413 is 314219528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491863684 + 334048729 = 22178^2 + 18277^2 .

It is a cyclic number.

It is not a de Polignac number, because 825912413 - 2¹⁰ = 825911389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825912433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412956206 + 412956207.

It is an arithmetic number, because the mean of its divisors is an integer number (412956207).

Almost surely, 2^825912413 is an apocalyptic number.

It is an amenable number.

825912413 is a deficient number, since it is larger than the sum of its proper divisors (1).

825912413 is an equidigital number, since it uses as much as digits as its factorization.

825912413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 825912413 is about 28738.6919152560. The cubic root of 825912413 is about 938.2343545888.

The spelling of 825912413 in words is "eight hundred twenty-five million, nine hundred twelve thousand, four hundred thirteen".