52421011 has 2 divisors, whose sum is σ = 52421012. Its totient is φ = 52421010.

The previous prime is 52420987. The next prime is 52421029. The reversal of 52421011 is 11012425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52421011 - 2²⁵ = 18866579 is a prime.

It is not a weakly prime, because it can be changed into another prime (52421111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26210505 + 26210506.

It is an arithmetic number, because the mean of its divisors is an integer number (26210506).

Almost surely, 2^52421011 is an apocalyptic number.

52421011 is a deficient number, since it is larger than the sum of its proper divisors (1).

52421011 is an equidigital number, since it uses as much as digits as its factorization.

52421011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 52421011 is about 7240.2355624662. The cubic root of 52421011 is about 374.2557350891.

Adding to 52421011 its reverse (11012425), we get a palindrome (63433436).

The spelling of 52421011 in words is "fifty-two million, four hundred twenty-one thousand, eleven".