3771252545 has 8 divisors (see below), whose sum is σ = 4791709224. Its totient is φ = 2839531264.

The previous prime is 3771252509. The next prime is 3771252547. The reversal of 3771252545 is 5452521773.

It can be written as a sum of positive squares in 4 ways, for example, as 1752008449 + 2019244096 = 41857^2 + 44936^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3771252545 - 2¹⁶ = 3771187009 is a prime.

It is a super-3 number, since 3×3771252545³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3771252547) 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, 22183754 + ... + 22183923.

It is an arithmetic number, because the mean of its divisors is an integer number (598963653).

Almost surely, 2^3771252545 is an apocalyptic number.

It is an amenable number.

3771252545 is a deficient number, since it is larger than the sum of its proper divisors (1020456679).

3771252545 is a wasteful number, since it uses less digits than its factorization.

3771252545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44367699.

The product of its digits is 294000, while the sum is 41.

The square root of 3771252545 is about 61410.5247087175. The cubic root of 3771252545 is about 1556.5456858314.

The spelling of 3771252545 in words is "three billion, seven hundred seventy-one million, two hundred fifty-two thousand, five hundred forty-five".