61411069 has 2 divisors, whose sum is σ = 61411070. Its totient is φ = 61411068.

The previous prime is 61411043. The next prime is 61411073. The reversal of 61411069 is 96011416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37027225 + 24383844 = 6085^2 + 4938^2 .

It is a cyclic number.

It is not a de Polignac number, because 61411069 - 2¹³ = 61402877 is a prime.

It is a super-2 number, since 2×61411069² = 7542638791445522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61411169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30705534 + 30705535.

It is an arithmetic number, because the mean of its divisors is an integer number (30705535).

Almost surely, 2^61411069 is an apocalyptic number.

It is an amenable number.

61411069 is a deficient number, since it is larger than the sum of its proper divisors (1).

61411069 is an equidigital number, since it uses as much as digits as its factorization.

61411069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 61411069 is about 7836.5214859656. The cubic root of 61411069 is about 394.5319864210.

The spelling of 61411069 in words is "sixty-one million, four hundred eleven thousand, sixty-nine".