61356061 has 8 divisors (see below), whose sum is σ = 66913280. Its totient is φ = 55918512.

The previous prime is 61356041. The next prime is 61356079. The reversal of 61356061 is 16065316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61356061 - 2⁷ = 61355933 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 (61356011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28845 + ... + 30898.

It is an arithmetic number, because the mean of its divisors is an integer number (8364160).

Almost surely, 2^61356061 is an apocalyptic number.

It is an amenable number.

61356061 is a deficient number, since it is larger than the sum of its proper divisors (5557219).

61356061 is a wasteful number, since it uses less digits than its factorization.

61356061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59835.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 61356061 is about 7833.0109791829. The cubic root of 61356061 is about 394.4141526224.

The spelling of 61356061 in words is "sixty-one million, three hundred fifty-six thousand, sixty-one".