4001052545 has 8 divisors (see below), whose sum is σ = 5487157824. Its totient is φ = 2743578864.

The previous prime is 4001052457. The next prime is 4001052551. The reversal of 4001052545 is 5452501004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001052545 is a prime.

It is a super-3 number, since 3×4001052545³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57157859 + ... + 57157928.

It is an arithmetic number, because the mean of its divisors is an integer number (685894728).

Almost surely, 2^4001052545 is an apocalyptic number.

It is an amenable number.

4001052545 is a deficient number, since it is larger than the sum of its proper divisors (1486105279).

4001052545 is a wasteful number, since it uses less digits than its factorization.

4001052545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114315799.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 4001052545 is about 63253.8737548935. The cubic root of 4001052545 is about 1587.5402740108.

Adding to 4001052545 its reverse (5452501004), we get a palindrome (9453553549).

The spelling of 4001052545 in words is "four billion, one million, fifty-two thousand, five hundred forty-five".