32138453 has 2 divisors, whose sum is σ = 32138454. Its totient is φ = 32138452.

The previous prime is 32138437. The next prime is 32138461. The reversal of 32138453 is 35483123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19909444 + 12229009 = 4462^2 + 3497^2 .

It is a cyclic number.

It is not a de Polignac number, because 32138453 - 2⁴ = 32138437 is a prime.

It is a super-2 number, since 2×32138453² = 2065760322466418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32138423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16069226 + 16069227.

It is an arithmetic number, because the mean of its divisors is an integer number (16069227).

Almost surely, 2^32138453 is an apocalyptic number.

It is an amenable number.

32138453 is a deficient number, since it is larger than the sum of its proper divisors (1).

32138453 is an equidigital number, since it uses as much as digits as its factorization.

32138453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 32138453 is about 5669.0786729415. The cubic root of 32138453 is about 317.9374275313.

The spelling of 32138453 in words is "thirty-two million, one hundred thirty-eight thousand, four hundred fifty-three".