61614271 has 4 divisors (see below), whose sum is σ = 61636792. Its totient is φ = 61591752.

The previous prime is 61614269. The next prime is 61614277. The reversal of 61614271 is 17241616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61614271 - 2¹ = 61614269 is a prime.

It is a super-2 number, since 2×61614271² = 7592636781722882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61614277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6480 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (15409198).

Almost surely, 2^61614271 is an apocalyptic number.

61614271 is a deficient number, since it is larger than the sum of its proper divisors (22521).

61614271 is a wasteful number, since it uses less digits than its factorization.

61614271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22520.

The product of its digits is 2016, while the sum is 28.

The square root of 61614271 is about 7849.4758423732. The cubic root of 61614271 is about 394.9666606482.

Adding to 61614271 its reverse (17241616), we get a palindrome (78855887).

The spelling of 61614271 in words is "sixty-one million, six hundred fourteen thousand, two hundred seventy-one".