61150069 has 2 divisors, whose sum is σ = 61150070. Its totient is φ = 61150068.

The previous prime is 61150057. The next prime is 61150081. The reversal of 61150069 is 96005116.

It is a balanced prime because it is at equal distance from previous prime (61150057) and next prime (61150081).

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 26399044 = 5895^2 + 5138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61150069 is a prime.

It is a super-2 number, since 2×61150069² = 7478661877409522, which contains 22 as substring.

It is equal to p_3626371 and since 61150069 and 3626371 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61150039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30575034 + 30575035.

It is an arithmetic number, because the mean of its divisors is an integer number (30575035).

Almost surely, 2^61150069 is an apocalyptic number.

It is an amenable number.

61150069 is a deficient number, since it is larger than the sum of its proper divisors (1).

61150069 is an equidigital number, since it uses as much as digits as its factorization.

61150069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 61150069 is about 7819.8509576590. The cubic root of 61150069 is about 393.9722660784.

The spelling of 61150069 in words is "sixty-one million, one hundred fifty thousand, sixty-nine".