526039949 has 2 divisors, whose sum is σ = 526039950. Its totient is φ = 526039948.

The previous prime is 526039919. The next prime is 526039951. The reversal of 526039949 is 949930625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443102500 + 82937449 = 21050^2 + 9107^2 .

It is a cyclic number.

It is not a de Polignac number, because 526039949 - 2¹⁶ = 525974413 is a prime.

Together with 526039951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526039919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263019974 + 263019975.

It is an arithmetic number, because the mean of its divisors is an integer number (263019975).

Almost surely, 2^526039949 is an apocalyptic number.

It is an amenable number.

526039949 is a deficient number, since it is larger than the sum of its proper divisors (1).

526039949 is an equidigital number, since it uses as much as digits as its factorization.

526039949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 526039949 is about 22935.5607954111. The cubic root of 526039949 is about 807.2466331212.

The spelling of 526039949 in words is "five hundred twenty-six million, thirty-nine thousand, nine hundred forty-nine".