61204150 has 48 divisors (see below), whose sum is σ = 135777024. Its totient is φ = 20069280.

The previous prime is 61204139. The next prime is 61204151. The reversal of 61204150 is 5140216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61204151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4249 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (2828688).

Almost surely, 2^61204150 is an apocalyptic number.

61204150 is an abundant number, since it is smaller than the sum of its proper divisors (74572874).

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

61204150 is a wasteful number, since it uses less digits than its factorization.

61204150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645 (or 7640 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 61204150 is about 7823.3081238054. The cubic root of 61204150 is about 394.0883746206.

Adding to 61204150 its reverse (5140216), we get a palindrome (66344366).

The spelling of 61204150 in words is "sixty-one million, two hundred four thousand, one hundred fifty".