61434997 has 8 divisors (see below), whose sum is σ = 66438680. Its totient is φ = 56471040.

The previous prime is 61434979. The next prime is 61435043. The reversal of 61434997 is 79943416.

It can be written as a sum of positive squares in 4 ways, for example, as 25542916 + 35892081 = 5054^2 + 5991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61434997 - 2¹¹ = 61432949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61434497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6672 + ... + 12937.

It is an arithmetic number, because the mean of its divisors is an integer number (8304835).

Almost surely, 2^61434997 is an apocalyptic number.

It is an amenable number.

61434997 is a deficient number, since it is larger than the sum of its proper divisors (5003683).

61434997 is a wasteful number, since it uses less digits than its factorization.

61434997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19863.

The product of its digits is 163296, while the sum is 43.

The square root of 61434997 is about 7838.0480350659. The cubic root of 61434997 is about 394.5832211343.

The spelling of 61434997 in words is "sixty-one million, four hundred thirty-four thousand, nine hundred ninety-seven".