2172151527 has 48 divisors (see below), whose sum is σ = 3646081152. Its totient is φ = 1140108480.

The previous prime is 2172151481. The next prime is 2172151537. The reversal of 2172151527 is 7251512712.

2172151527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2172151527 - 2⁸ = 2172151271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172151537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 400528 + ... + 405914.

It is an arithmetic number, because the mean of its divisors is an integer number (75960024).

Almost surely, 2^2172151527 is an apocalyptic number.

2172151527 is a deficient number, since it is larger than the sum of its proper divisors (1473929625).

2172151527 is a wasteful number, since it uses less digits than its factorization.

2172151527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628 (or 5621 counting only the distinct ones).

The product of its digits is 9800, while the sum is 33.

The square root of 2172151527 is about 46606.3464240655. The cubic root of 2172151527 is about 1295.0803261594.

The spelling of 2172151527 in words is "two billion, one hundred seventy-two million, one hundred fifty-one thousand, five hundred twenty-seven".