355520001 has 32 divisors (see below), whose sum is σ = 517834240. Its totient is φ = 216203904.

The previous prime is 355519991. The next prime is 355520003. The reversal of 355520001 is 100025553.

It is not a de Polignac number, because 355520001 - 2¹³ = 355511809 is a prime.

It is a super-2 number, since 2×355520001² = 252788942222080002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355520001.

It is not an unprimeable number, because it can be changed into a prime (355520003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177930 + ... + 179916.

It is an arithmetic number, because the mean of its divisors is an integer number (16182320).

Almost surely, 2^355520001 is an apocalyptic number.

It is an amenable number.

355520001 is a deficient number, since it is larger than the sum of its proper divisors (162314239).

355520001 is a wasteful number, since it uses less digits than its factorization.

355520001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 355520001 is about 18855.2380255461. The cubic root of 355520001 is about 708.4154313639.

Adding to 355520001 its reverse (100025553), we get a palindrome (455545554).

The spelling of 355520001 in words is "three hundred fifty-five million, five hundred twenty thousand, one".