61350851 has 4 divisors (see below), whose sum is σ = 61983432. Its totient is φ = 60718272.

The previous prime is 61350833. The next prime is 61350853. The reversal of 61350851 is 15805316.

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 61350851 - 2⁶ = 61350787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61350853) 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, 316145 + ... + 316338.

It is an arithmetic number, because the mean of its divisors is an integer number (15495858).

Almost surely, 2^61350851 is an apocalyptic number.

61350851 is a deficient number, since it is larger than the sum of its proper divisors (632581).

61350851 is an equidigital number, since it uses as much as digits as its factorization.

61350851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632580.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 61350851 is about 7832.6784052456. The cubic root of 61350851 is about 394.4029885208.

The spelling of 61350851 in words is "sixty-one million, three hundred fifty thousand, eight hundred fifty-one".