305061001 has 8 divisors (see below), whose sum is σ = 350412480. Its totient is φ = 260152368.

The previous prime is 305060999. The next prime is 305061019. The reversal of 305061001 is 100160503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 305061001 - 2¹ = 305060999 is a prime.

It is a super-2 number, since 2×305061001² = 186124428662244002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305061091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109231 + ... + 111988.

It is an arithmetic number, because the mean of its divisors is an integer number (43801560).

Almost surely, 2^305061001 is an apocalyptic number.

It is an amenable number.

305061001 is a deficient number, since it is larger than the sum of its proper divisors (45351479).

305061001 is a wasteful number, since it uses less digits than its factorization.

305061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221423.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 305061001 is about 17465.9955628072. The cubic root of 305061001 is about 673.1764229074.

The spelling of 305061001 in words is "three hundred five million, sixty-one thousand, one".