52690061 has 2 divisors, whose sum is σ = 52690062. Its totient is φ = 52690060.

The previous prime is 52690051. The next prime is 52690067. The reversal of 52690061 is 16009625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45981961 + 6708100 = 6781^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 52690061 - 2⁶ = 52689997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52690067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26345030 + 26345031.

It is an arithmetic number, because the mean of its divisors is an integer number (26345031).

Almost surely, 2^52690061 is an apocalyptic number.

It is an amenable number.

52690061 is a deficient number, since it is larger than the sum of its proper divisors (1).

52690061 is an equidigital number, since it uses as much as digits as its factorization.

52690061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 52690061 is about 7258.7919793861. The cubic root of 52690061 is about 374.8949299709.

Adding to 52690061 its reverse (16009625), we get a palindrome (68699686).

The spelling of 52690061 in words is "fifty-two million, six hundred ninety thousand, sixty-one".