61622003 has 4 divisors (see below), whose sum is σ = 61966440. Its totient is φ = 61277568.

The previous prime is 61621999. The next prime is 61622023. The reversal of 61622003 is 30022616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61622003 - 2² = 61621999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61622023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171950 + ... + 172307.

It is an arithmetic number, because the mean of its divisors is an integer number (15491610).

Almost surely, 2^61622003 is an apocalyptic number.

61622003 is a deficient number, since it is larger than the sum of its proper divisors (344437).

61622003 is a wasteful number, since it uses less digits than its factorization.

61622003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344436.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 61622003 is about 7849.9683438852. The cubic root of 61622003 is about 394.9831814662.

Adding to 61622003 its reverse (30022616), we get a palindrome (91644619).

The spelling of 61622003 in words is "sixty-one million, six hundred twenty-two thousand, three".