87251341 has 2 divisors, whose sum is σ = 87251342. Its totient is φ = 87251340.

The previous prime is 87251323. The next prime is 87251347. The reversal of 87251341 is 14315278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83814025 + 3437316 = 9155^2 + 1854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87251341 is a prime.

It is a super-2 number, since 2×87251341² = 15225593012596562, which contains 22 as substring.

It is equal to p_5066950 and since 87251341 and 5066950 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87251347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43625670 + 43625671.

It is an arithmetic number, because the mean of its divisors is an integer number (43625671).

Almost surely, 2^87251341 is an apocalyptic number.

It is an amenable number.

87251341 is a deficient number, since it is larger than the sum of its proper divisors (1).

87251341 is an equidigital number, since it uses as much as digits as its factorization.

87251341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 87251341 is about 9340.8426279432. The cubic root of 87251341 is about 443.5310584031.

The spelling of 87251341 in words is "eighty-seven million, two hundred fifty-one thousand, three hundred forty-one".