61477243 has 8 divisors (see below), whose sum is σ = 62328528. Its totient is φ = 60632064.

The previous prime is 61477231. The next prime is 61477259. The reversal of 61477243 is 34277416.

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

It is a cyclic number.

It is not a de Polignac number, because 61477243 - 2¹⁷ = 61346171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61477199 and 61477208.

It is not an unprimeable number, because it can be changed into a prime (61477043) 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, 20955 + ... + 23707.

It is an arithmetic number, because the mean of its divisors is an integer number (7791066).

Almost surely, 2^61477243 is an apocalyptic number.

61477243 is a deficient number, since it is larger than the sum of its proper divisors (851285).

61477243 is a wasteful number, since it uses less digits than its factorization.

61477243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053.

The product of its digits is 28224, while the sum is 34.

The square root of 61477243 is about 7840.7425031052. The cubic root of 61477243 is about 394.6736459414.

The spelling of 61477243 in words is "sixty-one million, four hundred seventy-seven thousand, two hundred forty-three".