61356060 has 72 divisors (see below), whose sum is σ = 197071056. Its totient is φ = 15398400.

The previous prime is 61356041. The next prime is 61356079. The reversal of 61356060 is 6065316.

It is an interprime number because it is at equal distance from previous prime (61356041) and next prime (61356079).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6966 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (2737098).

Almost surely, 2^61356060 is an apocalyptic number.

61356060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61356060 is an abundant number, since it is smaller than the sum of its proper divisors (135714996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61356060 is a wasteful number, since it uses less digits than its factorization.

61356060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20083 (or 20078 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 61356060 is about 7833.0109153505. The cubic root of 61356060 is about 394.4141504797.

The spelling of 61356060 in words is "sixty-one million, three hundred fifty-six thousand, sixty".