315453233 has 2 divisors, whose sum is σ = 315453234. Its totient is φ = 315453232.

The previous prime is 315453197. The next prime is 315453239. The reversal of 315453233 is 332354513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261533584 + 53919649 = 16172^2 + 7343^2 .

It is a cyclic number.

It is not a de Polignac number, because 315453233 - 2¹² = 315449137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315453196 and 315453205.

It is not a weakly prime, because it can be changed into another prime (315453239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157726616 + 157726617.

It is an arithmetic number, because the mean of its divisors is an integer number (157726617).

Almost surely, 2^315453233 is an apocalyptic number.

It is an amenable number.

315453233 is a deficient number, since it is larger than the sum of its proper divisors (1).

315453233 is an equidigital number, since it uses as much as digits as its factorization.

315453233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 29.

The square root of 315453233 is about 17761.0031529753. The cubic root of 315453233 is about 680.7353873856.

The spelling of 315453233 in words is "three hundred fifteen million, four hundred fifty-three thousand, two hundred thirty-three".