69042461 has 2 divisors, whose sum is σ = 69042462. Its totient is φ = 69042460.

The previous prime is 69042439. The next prime is 69042503. The reversal of 69042461 is 16424096.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45091225 + 23951236 = 6715^2 + 4894^2 .

It is a cyclic number.

It is not a de Polignac number, because 69042461 - 2¹⁴ = 69026077 is a prime.

It is a super-2 number, since 2×69042461² = 9533722841873042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69042431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34521230 + 34521231.

It is an arithmetic number, because the mean of its divisors is an integer number (34521231).

Almost surely, 2^69042461 is an apocalyptic number.

It is an amenable number.

69042461 is a deficient number, since it is larger than the sum of its proper divisors (1).

69042461 is an equidigital number, since it uses as much as digits as its factorization.

69042461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 69042461 is about 8309.1793216900. The cubic root of 69042461 is about 410.2407093370.

The spelling of 69042461 in words is "sixty-nine million, forty-two thousand, four hundred sixty-one".