245475533 has 2 divisors, whose sum is σ = 245475534. Its totient is φ = 245475532.

The previous prime is 245475509. The next prime is 245475541. The reversal of 245475533 is 335574542.

245475533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144312169 + 101163364 = 12013^2 + 10058^2 .

It is a cyclic number.

It is not a de Polignac number, because 245475533 - 2¹² = 245471437 is a prime.

It is a super-3 number, since 3×245475533³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245475553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122737766 + 122737767.

It is an arithmetic number, because the mean of its divisors is an integer number (122737767).

Almost surely, 2^245475533 is an apocalyptic number.

It is an amenable number.

245475533 is a deficient number, since it is larger than the sum of its proper divisors (1).

245475533 is an equidigital number, since it uses as much as digits as its factorization.

245475533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 38.

The square root of 245475533 is about 15667.6588231937. The cubic root of 245475533 is about 626.1370516206.

Subtracting 245475533 from its reverse (335574542), we obtain a palindrome (90099009).

The spelling of 245475533 in words is "two hundred forty-five million, four hundred seventy-five thousand, five hundred thirty-three".