61058761 has 4 divisors (see below), whose sum is σ = 64272400. Its totient is φ = 57845124.

The previous prime is 61058749. The next prime is 61058773. The reversal of 61058761 is 16785016.

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 an interprime number because it is at equal distance from previous prime (61058749) and next prime (61058773).

It is a cyclic number.

It is not a de Polignac number, because 61058761 - 2⁵ = 61058729 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61058731) 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, 1606791 + ... + 1606828.

It is an arithmetic number, because the mean of its divisors is an integer number (16068100).

Almost surely, 2^61058761 is an apocalyptic number.

It is an amenable number.

61058761 is a deficient number, since it is larger than the sum of its proper divisors (3213639).

61058761 is a wasteful number, since it uses less digits than its factorization.

61058761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213638.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 61058761 is about 7814.0105579657. The cubic root of 61058761 is about 393.7760780242.

The spelling of 61058761 in words is "sixty-one million, fifty-eight thousand, seven hundred sixty-one".