52420967 has 2 divisors, whose sum is σ = 52420968. Its totient is φ = 52420966.

The previous prime is 52420961. The next prime is 52420987. The reversal of 52420967 is 76902425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52420967 - 2²² = 48226663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52420961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26210483 + 26210484.

It is an arithmetic number, because the mean of its divisors is an integer number (26210484).

Almost surely, 2^52420967 is an apocalyptic number.

52420967 is a deficient number, since it is larger than the sum of its proper divisors (1).

52420967 is an equidigital number, since it uses as much as digits as its factorization.

52420967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 52420967 is about 7240.2325238904. The cubic root of 52420967 is about 374.2556303776.

The spelling of 52420967 in words is "fifty-two million, four hundred twenty thousand, nine hundred sixty-seven".