61803852 has 48 divisors (see below), whose sum is σ = 164166912. Its totient is φ = 17913280.

The previous prime is 61803839. The next prime is 61803853. The reversal of 61803852 is 25830816.

It is a happy number.

It is a super-3 number, since 3×61803852³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (61803853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7143 + ... + 13214.

It is an arithmetic number, because the mean of its divisors is an integer number (3420144).

Almost surely, 2^61803852 is an apocalyptic number.

It is an amenable number.

61803852 is an abundant number, since it is smaller than the sum of its proper divisors (102363060).

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

61803852 is a wasteful number, since it uses less digits than its factorization.

61803852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20398 (or 20396 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 61803852 is about 7861.5425967173. The cubic root of 61803852 is about 395.3713369605.

The spelling of 61803852 in words is "sixty-one million, eight hundred three thousand, eight hundred fifty-two".