61434617 has 6 divisors (see below), whose sum is σ = 65082654. Its totient is φ = 57790400.

The previous prime is 61434613. The next prime is 61434623. The reversal of 61434617 is 71643416.

It can be written as a sum of positive squares in 3 ways, for example, as 141376 + 61293241 = 376^2 + 7829^2 .

It is not a de Polignac number, because 61434617 - 2² = 61434613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61434613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31367 + ... + 33267.

It is an arithmetic number, because the mean of its divisors is an integer number (10847109).

Almost surely, 2^61434617 is an apocalyptic number.

It is an amenable number.

61434617 is a deficient number, since it is larger than the sum of its proper divisors (3648037).

61434617 is an frugal number, since it uses more digits than its factorization.

61434617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819 (or 1918 counting only the distinct ones).

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

The square root of 61434617 is about 7838.0237942992. The cubic root of 61434617 is about 394.5824075810.

The spelling of 61434617 in words is "sixty-one million, four hundred thirty-four thousand, six hundred seventeen".