61603038 has 32 divisors (see below), whose sum is σ = 156453120. Its totient is φ = 17600760.

The previous prime is 61603027. The next prime is 61603043. The reversal of 61603038 is 83030616.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81108 + ... + 81863.

It is an arithmetic number, because the mean of its divisors is an integer number (4889160).

Almost surely, 2^61603038 is an apocalyptic number.

61603038 is an abundant number, since it is smaller than the sum of its proper divisors (94850082).

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

61603038 is a wasteful number, since it uses less digits than its factorization.

61603038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162989 (or 162983 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 61603038 is about 7848.7602842742. The cubic root of 61603038 is about 394.9426568469.

The spelling of 61603038 in words is "sixty-one million, six hundred three thousand, thirty-eight".