526313407 has 2 divisors, whose sum is σ = 526313408. Its totient is φ = 526313406.

The previous prime is 526313399. The next prime is 526313441. The reversal of 526313407 is 704313625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 526313407 - 2³ = 526313399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526313467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263156703 + 263156704.

It is an arithmetic number, because the mean of its divisors is an integer number (263156704).

Almost surely, 2^526313407 is an apocalyptic number.

526313407 is a deficient number, since it is larger than the sum of its proper divisors (1).

526313407 is an equidigital number, since it uses as much as digits as its factorization.

526313407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 526313407 is about 22941.5214621873. The cubic root of 526313407 is about 807.3864892987.

The spelling of 526313407 in words is "five hundred twenty-six million, three hundred thirteen thousand, four hundred seven".