61656203 has 4 divisors (see below), whose sum is σ = 70464240. Its totient is φ = 52848168.

The previous prime is 61656191. The next prime is 61656209. The reversal of 61656203 is 30265616.

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 61656203 - 2⁶ = 61656139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61656209) 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, 4404008 + ... + 4404021.

It is an arithmetic number, because the mean of its divisors is an integer number (17616060).

Almost surely, 2^61656203 is an apocalyptic number.

61656203 is a deficient number, since it is larger than the sum of its proper divisors (8808037).

61656203 is an equidigital number, since it uses as much as digits as its factorization.

61656203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8808036.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 61656203 is about 7852.1463944580. The cubic root of 61656203 is about 395.0562393886.

The spelling of 61656203 in words is "sixty-one million, six hundred fifty-six thousand, two hundred three".