2064532154 has 4 divisors (see below), whose sum is σ = 3096798234. Its totient is φ = 1032266076.

The previous prime is 2064532147. The next prime is 2064532157. The reversal of 2064532154 is 4512354602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1726818025 + 337714129 = 41555^2 + 18377^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2064532154.

It is not an unprimeable number, because it can be changed into a prime (2064532157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516133037 + ... + 516133040.

Almost surely, 2^2064532154 is an apocalyptic number.

2064532154 is a deficient number, since it is larger than the sum of its proper divisors (1032266080).

2064532154 is a wasteful number, since it uses less digits than its factorization.

2064532154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032266079.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2064532154 is about 45437.1230823431. The cubic root of 2064532154 is about 1273.3287659318.

Adding to 2064532154 its reverse (4512354602), we get a palindrome (6576886756).

The spelling of 2064532154 in words is "two billion, sixty-four million, five hundred thirty-two thousand, one hundred fifty-four".