106003621 has 4 divisors (see below), whose sum is σ = 106596000. Its totient is φ = 105411244.

The previous prime is 106003607. The next prime is 106003633. The reversal of 106003621 is 126300601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106003621 is a prime.

It is a super-2 number, since 2×106003621² = 22473535330223282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106003321) 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, 295921 + ... + 296278.

It is an arithmetic number, because the mean of its divisors is an integer number (26649000).

Almost surely, 2^106003621 is an apocalyptic number.

It is an amenable number.

106003621 is a deficient number, since it is larger than the sum of its proper divisors (592379).

106003621 is an equidigital number, since it uses as much as digits as its factorization.

106003621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592378.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 106003621 is about 10295.8059907906. The cubic root of 106003621 is about 473.2677379951.

The spelling of 106003621 in words is "one hundred six million, three thousand, six hundred twenty-one".