13457533 has 2 divisors, whose sum is σ = 13457534. Its totient is φ = 13457532.

The previous prime is 13457527. The next prime is 13457551. The reversal of 13457533 is 33575431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7518564 + 5938969 = 2742^2 + 2437^2 .

It is a cyclic number.

It is not a de Polignac number, because 13457533 - 2⁵ = 13457501 is a prime.

It is a super-2 number, since 2×13457533² = 362210388892178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13457495 and 13457504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13457513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6728766 + 6728767.

It is an arithmetic number, because the mean of its divisors is an integer number (6728767).

Almost surely, 2^13457533 is an apocalyptic number.

It is an amenable number.

13457533 is a deficient number, since it is larger than the sum of its proper divisors (1).

13457533 is an equidigital number, since it uses as much as digits as its factorization.

13457533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 31.

The square root of 13457533 is about 3668.4510355189. The cubic root of 13457533 is about 237.8602208675.

The spelling of 13457533 in words is "thirteen million, four hundred fifty-seven thousand, five hundred thirty-three".