61434761 has 2 divisors, whose sum is σ = 61434762. Its totient is φ = 61434760.

The previous prime is 61434743. The next prime is 61434767. The reversal of 61434761 is 16743416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58049161 + 3385600 = 7619^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 61434761 - 2⁶ = 61434697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (61434767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30717380 + 30717381.

It is an arithmetic number, because the mean of its divisors is an integer number (30717381).

Almost surely, 2^61434761 is an apocalyptic number.

It is an amenable number.

61434761 is a deficient number, since it is larger than the sum of its proper divisors (1).

61434761 is an equidigital number, since it uses as much as digits as its factorization.

61434761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 61434761 is about 7838.0329802827. The cubic root of 61434761 is about 394.5827158752.

The spelling of 61434761 in words is "sixty-one million, four hundred thirty-four thousand, seven hundred sixty-one".