614097961 has 3 divisors (see below), whose sum is σ = 614122743. Its totient is φ = 614073180.

The previous prime is 614097949. The next prime is 614097971. The reversal of 614097961 is 169790416.

It is a happy number.

The square root of 614097961 is 24781.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 224430361 + 389667600 = 14981^2 + 19740^2 .

It is not a de Polignac number, because 614097961 - 2⁵ = 614097929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (614097971) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12391 + ... + 37171.

It is an arithmetic number, because the mean of its divisors is an integer number (204707581).

Almost surely, 2^614097961 is an apocalyptic number.

614097961 is the 24781-st square number.

614097961 is the 12391-st centered octagonal number.

It is an amenable number.

614097961 is a deficient number, since it is larger than the sum of its proper divisors (24782).

614097961 is an frugal number, since it uses more digits than its factorization.

614097961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49562 (or 24781 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The cubic root of 614097961 is about 849.9875250764.

The spelling of 614097961 in words is "six hundred fourteen million, ninety-seven thousand, nine hundred sixty-one".