601621545 has 16 divisors (see below), whose sum is σ = 1100108160. Its totient is φ = 275026944.

The previous prime is 601621523. The next prime is 601621571. The reversal of 601621545 is 545126106.

It is not a de Polignac number, because 601621545 - 2⁷ = 601621417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2864760 + ... + 2864969.

It is an arithmetic number, because the mean of its divisors is an integer number (68756760).

Almost surely, 2^601621545 is an apocalyptic number.

It is an amenable number.

601621545 is a deficient number, since it is larger than the sum of its proper divisors (498486615).

601621545 is a wasteful number, since it uses less digits than its factorization.

601621545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729744.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 601621545 is about 24527.9747431377. The cubic root of 601621545 is about 844.1917951886.

The spelling of 601621545 in words is "six hundred one million, six hundred twenty-one thousand, five hundred forty-five".