61514677 has 4 divisors (see below), whose sum is σ = 70302496. Its totient is φ = 52726860.

The previous prime is 61514669. The next prime is 61514689. The reversal of 61514677 is 77641516.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61514677 - 2³ = 61514669 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 (61514977) 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, 4393899 + ... + 4393912.

It is an arithmetic number, because the mean of its divisors is an integer number (17575624).

Almost surely, 2^61514677 is an apocalyptic number.

It is an amenable number.

61514677 is a deficient number, since it is larger than the sum of its proper divisors (8787819).

61514677 is an equidigital number, since it uses as much as digits as its factorization.

61514677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787818.

The product of its digits is 35280, while the sum is 37.

The square root of 61514677 is about 7843.1292861969. The cubic root of 61514677 is about 394.7537363664.

The spelling of 61514677 in words is "sixty-one million, five hundred fourteen thousand, six hundred seventy-seven".