2151001541 has 8 divisors (see below), whose sum is σ = 2316828024. Its totient is φ = 1985227200.

The previous prime is 2151001507. The next prime is 2151001553. The reversal of 2151001541 is 1451001512.

It can be written as a sum of positive squares in 4 ways, for example, as 4532641 + 2146468900 = 2129^2 + 46330^2 .

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 2151001541 - 2¹⁸ = 2150739397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151001441) 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, 134891 + ... + 149991.

It is an arithmetic number, because the mean of its divisors is an integer number (289603503).

Almost surely, 2^2151001541 is an apocalyptic number.

It is an amenable number.

2151001541 is a deficient number, since it is larger than the sum of its proper divisors (165826483).

2151001541 is a wasteful number, since it uses less digits than its factorization.

2151001541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26071.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 2151001541 is about 46378.8911143852. The cubic root of 2151001541 is about 1290.8632606933.

The spelling of 2151001541 in words is "two billion, one hundred fifty-one million, one thousand, five hundred forty-one".