61006469 has 2 divisors, whose sum is σ = 61006470. Its totient is φ = 61006468.

The previous prime is 61006457. The next prime is 61006471. The reversal of 61006469 is 96460016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 19918369 = 6410^2 + 4463^2 .

It is a cyclic number.

It is not a de Polignac number, because 61006469 - 2⁸ = 61006213 is a prime.

It is a super-2 number, since 2×61006469² = 7443578519695922, which contains 22 as substring.

Together with 61006471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61006069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30503234 + 30503235.

It is an arithmetic number, because the mean of its divisors is an integer number (30503235).

Almost surely, 2^61006469 is an apocalyptic number.

It is an amenable number.

61006469 is a deficient number, since it is larger than the sum of its proper divisors (1).

61006469 is an equidigital number, since it uses as much as digits as its factorization.

61006469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 61006469 is about 7810.6638002157. The cubic root of 61006469 is about 393.6636332283.

The spelling of 61006469 in words is "sixty-one million, six thousand, four hundred sixty-nine".