61853203 has 2 divisors, whose sum is σ = 61853204. Its totient is φ = 61853202.

The previous prime is 61853161. The next prime is 61853213. The reversal of 61853203 is 30235816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61853203 - 2²¹ = 59756051 is a prime.

It is not a weakly prime, because it can be changed into another prime (61853213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30926601 + 30926602.

It is an arithmetic number, because the mean of its divisors is an integer number (30926602).

Almost surely, 2^61853203 is an apocalyptic number.

61853203 is a deficient number, since it is larger than the sum of its proper divisors (1).

61853203 is an equidigital number, since it uses as much as digits as its factorization.

61853203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 61853203 is about 7864.6807309642. The cubic root of 61853203 is about 395.4765449641.

The spelling of 61853203 in words is "sixty-one million, eight hundred fifty-three thousand, two hundred three".