61323150 has 48 divisors (see below), whose sum is σ = 173810304. Its totient is φ = 14016480.

The previous prime is 61323121. The next prime is 61323169. The reversal of 61323150 is 5132316.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28152 + ... + 30251.

It is an arithmetic number, because the mean of its divisors is an integer number (3621048).

Almost surely, 2^61323150 is an apocalyptic number.

61323150 is an abundant number, since it is smaller than the sum of its proper divisors (112487154).

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

61323150 is a wasteful number, since it uses less digits than its factorization.

61323150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58425 (or 58420 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 61323150 is about 7830.9099088165. The cubic root of 61323150 is about 394.3436195974.

Adding to 61323150 its reverse (5132316), we get a palindrome (66455466).

The spelling of 61323150 in words is "sixty-one million, three hundred twenty-three thousand, one hundred fifty".