749254361 has 2 divisors, whose sum is σ = 749254362. Its totient is φ = 749254360.

The previous prime is 749254357. The next prime is 749254427. The reversal of 749254361 is 163452947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391287961 + 357966400 = 19781^2 + 18920^2 .

It is a cyclic number.

It is not a de Polignac number, because 749254361 - 2² = 749254357 is a prime.

It is a super-2 number, since 2×749254361² = 1122764194955036642, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (749254301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374627180 + 374627181.

It is an arithmetic number, because the mean of its divisors is an integer number (374627181).

Almost surely, 2^749254361 is an apocalyptic number.

It is an amenable number.

749254361 is a deficient number, since it is larger than the sum of its proper divisors (1).

749254361 is an equidigital number, since it uses as much as digits as its factorization.

749254361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 749254361 is about 27372.5110466687. The cubic root of 749254361 is about 908.2591041400.

The spelling of 749254361 in words is "seven hundred forty-nine million, two hundred fifty-four thousand, three hundred sixty-one".