2102533154 has 4 divisors (see below), whose sum is σ = 3153799734. Its totient is φ = 1051266576.

The previous prime is 2102533151. The next prime is 2102533171. The reversal of 2102533154 is 4513352012.

It is a happy number.

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., 2101764025 + 769129 = 45845^2 + 877^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2102533151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525633287 + ... + 525633290.

Almost surely, 2^2102533154 is an apocalyptic number.

2102533154 is a deficient number, since it is larger than the sum of its proper divisors (1051266580).

2102533154 is a wasteful number, since it uses less digits than its factorization.

2102533154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051266579.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2102533154 is about 45853.3875956837. The cubic root of 2102533154 is about 1281.0938635228.

Adding to 2102533154 its reverse (4513352012), we get a palindrome (6615885166).

The spelling of 2102533154 in words is "two billion, one hundred two million, five hundred thirty-three thousand, one hundred fifty-four".