307276133 has 2 divisors, whose sum is σ = 307276134. Its totient is φ = 307276132.

The previous prime is 307276127. The next prime is 307276153. The reversal of 307276133 is 331672703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177475684 + 129800449 = 13322^2 + 11393^2 .

It is a cyclic number.

It is not a de Polignac number, because 307276133 - 2¹⁰ = 307275109 is a prime.

It is a super-2 number, since 2×307276133² = 188837243822867378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 307276133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307276153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153638066 + 153638067.

It is an arithmetic number, because the mean of its divisors is an integer number (153638067).

Almost surely, 2^307276133 is an apocalyptic number.

It is an amenable number.

307276133 is a deficient number, since it is larger than the sum of its proper divisors (1).

307276133 is an equidigital number, since it uses as much as digits as its factorization.

307276133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 307276133 is about 17529.2935681961. The cubic root of 307276133 is about 674.8018681400.

The spelling of 307276133 in words is "three hundred seven million, two hundred seventy-six thousand, one hundred thirty-three".