2152177052 has 24 divisors (see below), whose sum is σ = 3841775616. Its totient is φ = 1054731888.

The previous prime is 2152177031. The next prime is 2152177057. The reversal of 2152177052 is 2507712512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152177057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16643 + ... + 67685.

It is an arithmetic number, because the mean of its divisors is an integer number (160073984).

Almost surely, 2^2152177052 is an apocalyptic number.

It is an amenable number.

2152177052 is a deficient number, since it is larger than the sum of its proper divisors (1689598564).

2152177052 is a wasteful number, since it uses less digits than its factorization.

2152177052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51257 (or 51255 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 2152177052 is about 46391.5622931584. The cubic root of 2152177052 is about 1291.0983678586.

Adding to 2152177052 its reverse (2507712512), we get a palindrome (4659889564).

The spelling of 2152177052 in words is "two billion, one hundred fifty-two million, one hundred seventy-seven thousand, fifty-two".