352640001 has 16 divisors (see below), whose sum is σ = 537650048. Its totient is φ = 201398400.

The previous prime is 352639909. The next prime is 352640009. The reversal of 352640001 is 100046253.

It is a happy number.

It is not a de Polignac number, because 352640001 - 2¹³ = 352631809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 352640001.

It is not an unprimeable number, because it can be changed into a prime (352640009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49611 + ... + 56271.

It is an arithmetic number, because the mean of its divisors is an integer number (33603128).

Almost surely, 2^352640001 is an apocalyptic number.

It is an amenable number.

352640001 is a deficient number, since it is larger than the sum of its proper divisors (185010047).

352640001 is a wasteful number, since it uses less digits than its factorization.

352640001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 352640001 is about 18778.7113775147. The cubic root of 352640001 is about 706.4973296590.

Adding to 352640001 its reverse (100046253), we get a palindrome (452686254).

The spelling of 352640001 in words is "three hundred fifty-two million, six hundred forty thousand, one".