87413237 has 2 divisors, whose sum is σ = 87413238. Its totient is φ = 87413236.

The previous prime is 87413233. The next prime is 87413257. The reversal of 87413237 is 73231478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53202436 + 34210801 = 7294^2 + 5849^2 .

It is a cyclic number.

It is not a de Polignac number, because 87413237 - 2² = 87413233 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 87413197 and 87413206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87413233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43706618 + 43706619.

It is an arithmetic number, because the mean of its divisors is an integer number (43706619).

Almost surely, 2^87413237 is an apocalyptic number.

It is an amenable number.

87413237 is a deficient number, since it is larger than the sum of its proper divisors (1).

87413237 is an equidigital number, since it uses as much as digits as its factorization.

87413237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 87413237 is about 9349.5046392844. The cubic root of 87413237 is about 443.8052147918.

The spelling of 87413237 in words is "eighty-seven million, four hundred thirteen thousand, two hundred thirty-seven".