2151176252 has 6 divisors (see below), whose sum is σ = 3764558448. Its totient is φ = 1075588124.

The previous prime is 2151176231. The next prime is 2151176281. The reversal of 2151176252 is 2526711512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268897028 + ... + 268897035.

It is an arithmetic number, because the mean of its divisors is an integer number (627426408).

Almost surely, 2^2151176252 is an apocalyptic number.

It is an amenable number.

2151176252 is a deficient number, since it is larger than the sum of its proper divisors (1613382196).

2151176252 is a wasteful number, since it uses less digits than its factorization.

2151176252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537794067 (or 537794065 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 2151176252 is about 46380.7745946529. The cubic root of 2151176252 is about 1290.8982090497.

Adding to 2151176252 its reverse (2526711512), we get a palindrome (4677887764).

The spelling of 2151176252 in words is "two billion, one hundred fifty-one million, one hundred seventy-six thousand, two hundred fifty-two".