253332407 has 2 divisors, whose sum is σ = 253332408. Its totient is φ = 253332406.

The previous prime is 253332367. The next prime is 253332437. The reversal of 253332407 is 704233352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253332407 - 2¹⁰ = 253331383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253332407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253332437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126666203 + 126666204.

It is an arithmetic number, because the mean of its divisors is an integer number (126666204).

Almost surely, 2^253332407 is an apocalyptic number.

253332407 is a deficient number, since it is larger than the sum of its proper divisors (1).

253332407 is an equidigital number, since it uses as much as digits as its factorization.

253332407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 253332407 is about 15916.4194151825. The cubic root of 253332407 is about 632.7472259700.

Adding to 253332407 its reverse (704233352), we get a palindrome (957565759).

The spelling of 253332407 in words is "two hundred fifty-three million, three hundred thirty-two thousand, four hundred seven".