745246361 has 2 divisors, whose sum is σ = 745246362. Its totient is φ = 745246360.

The previous prime is 745246277. The next prime is 745246363. The reversal of 745246361 is 163642547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536617225 + 208629136 = 23165^2 + 14444^2 .

It is a cyclic number.

It is not a de Polignac number, because 745246361 - 2²² = 741052057 is a prime.

Together with 745246363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (745246363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372623180 + 372623181.

It is an arithmetic number, because the mean of its divisors is an integer number (372623181).

Almost surely, 2^745246361 is an apocalyptic number.

It is an amenable number.

745246361 is a deficient number, since it is larger than the sum of its proper divisors (1).

745246361 is an equidigital number, since it uses as much as digits as its factorization.

745246361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 745246361 is about 27299.2007392158. The cubic root of 745246361 is about 906.6366854243.

The spelling of 745246361 in words is "seven hundred forty-five million, two hundred forty-six thousand, three hundred sixty-one".