2153453437 has 2 divisors, whose sum is σ = 2153453438. Its totient is φ = 2153453436.

The previous prime is 2153453429. The next prime is 2153453443. The reversal of 2153453437 is 7343543512.

2153453437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2040690276 + 112763161 = 45174^2 + 10619^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153453437 - 2³ = 2153453429 is a prime.

It is a super-2 number, since 2×2153453437² = 9274723410654225938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2153453396 and 2153453405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153453417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076726718 + 1076726719.

It is an arithmetic number, because the mean of its divisors is an integer number (1076726719).

Almost surely, 2^2153453437 is an apocalyptic number.

It is an amenable number.

2153453437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153453437 is an equidigital number, since it uses as much as digits as its factorization.

2153453437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 37.

The square root of 2153453437 is about 46405.3169044238. The cubic root of 2153453437 is about 1291.3535533256.

Adding to 2153453437 its reverse (7343543512), we get a palindrome (9496996949).

The spelling of 2153453437 in words is "two billion, one hundred fifty-three million, four hundred fifty-three thousand, four hundred thirty-seven".