61060619 has 4 divisors (see below), whose sum is σ = 62710944. Its totient is φ = 59410296.

The previous prime is 61060553. The next prime is 61060621. The reversal of 61060619 is 91606016.

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 61060619 - 2¹⁶ = 60995083 is a prime.

It is a super-2 number, since 2×61060619² = 7456798385326322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61060591 and 61060600.

It is not an unprimeable number, because it can be changed into a prime (61062619) 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, 825107 + ... + 825180.

It is an arithmetic number, because the mean of its divisors is an integer number (15677736).

Almost surely, 2^61060619 is an apocalyptic number.

61060619 is a deficient number, since it is larger than the sum of its proper divisors (1650325).

61060619 is a wasteful number, since it uses less digits than its factorization.

61060619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650324.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 61060619 is about 7814.1294460740. The cubic root of 61060619 is about 393.7800721468.

The spelling of 61060619 in words is "sixty-one million, sixty thousand, six hundred nineteen".