52667431 has 2 divisors, whose sum is σ = 52667432. Its totient is φ = 52667430.

The previous prime is 52667429. The next prime is 52667437. The reversal of 52667431 is 13476625.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52667431 - 2¹ = 52667429 is a prime.

It is a super-2 number, since 2×52667431² = 5547716576279522, which contains 22 as substring.

Together with 52667429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52667437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26333715 + 26333716.

It is an arithmetic number, because the mean of its divisors is an integer number (26333716).

Almost surely, 2^52667431 is an apocalyptic number.

52667431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52667431 is an equidigital number, since it uses as much as digits as its factorization.

52667431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 52667431 is about 7257.2330126571. The cubic root of 52667431 is about 374.8412507319.

The spelling of 52667431 in words is "fifty-two million, six hundred sixty-seven thousand, four hundred thirty-one".