2151530301 has 4 divisors (see below), whose sum is σ = 2868707072. Its totient is φ = 1434353532.

The previous prime is 2151530291. The next prime is 2151530321. The reversal of 2151530301 is 1030351512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2151530301 - 2⁶ = 2151530237 is a prime.

It is a super-2 number, since 2×2151530301² = 9258165272242301202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151530321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358588381 + ... + 358588386.

It is an arithmetic number, because the mean of its divisors is an integer number (717176768).

Almost surely, 2^2151530301 is an apocalyptic number.

It is an amenable number.

2151530301 is a deficient number, since it is larger than the sum of its proper divisors (717176771).

2151530301 is an equidigital number, since it uses as much as digits as its factorization.

2151530301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717176770.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 2151530301 is about 46384.5912022516. The cubic root of 2151530301 is about 1290.9690255232.

Adding to 2151530301 its reverse (1030351512), we get a palindrome (3181881813).

The spelling of 2151530301 in words is "two billion, one hundred fifty-one million, five hundred thirty thousand, three hundred one".