61490300 has 36 divisors (see below), whose sum is σ = 137048520. Its totient is φ = 23929920.

The previous prime is 61490281. The next prime is 61490333. The reversal of 61490300 is 309416.

61490300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4610 + ... + 12009.

Almost surely, 2^61490300 is an apocalyptic number.

It is an amenable number.

61490300 is an abundant number, since it is smaller than the sum of its proper divisors (75558220).

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

61490300 is a wasteful number, since it uses less digits than its factorization.

61490300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670 (or 16663 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 61490300 is about 7841.5750968795. The cubic root of 61490300 is about 394.7015852175.

Adding to 61490300 its reverse (309416), we get a palindrome (61799716).

The spelling of 61490300 in words is "sixty-one million, four hundred ninety thousand, three hundred".