67245331 has 2 divisors, whose sum is σ = 67245332. Its totient is φ = 67245330.

The previous prime is 67245271. The next prime is 67245341. The reversal of 67245331 is 13354276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67245331 - 2¹³ = 67237139 is a prime.

It is a super-2 number, since 2×67245331² = 9043869082599122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67245293 and 67245302.

It is not a weakly prime, because it can be changed into another prime (67245341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33622665 + 33622666.

It is an arithmetic number, because the mean of its divisors is an integer number (33622666).

Almost surely, 2^67245331 is an apocalyptic number.

67245331 is a deficient number, since it is larger than the sum of its proper divisors (1).

67245331 is an equidigital number, since it uses as much as digits as its factorization.

67245331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 67245331 is about 8200.3250545329. The cubic root of 67245331 is about 406.6499393669.

It can be divided in two parts, 67245 and 331, that added together give a palindrome (67576).

The spelling of 67245331 in words is "sixty-seven million, two hundred forty-five thousand, three hundred thirty-one".