253741407 has 4 divisors (see below), whose sum is σ = 338321880. Its totient is φ = 169160936.

The previous prime is 253741379. The next prime is 253741421. The reversal of 253741407 is 704147352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253741407 - 2¹⁴ = 253725023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253741307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42290232 + ... + 42290237.

It is an arithmetic number, because the mean of its divisors is an integer number (84580470).

Almost surely, 2^253741407 is an apocalyptic number.

253741407 is a deficient number, since it is larger than the sum of its proper divisors (84580473).

253741407 is an equidigital number, since it uses as much as digits as its factorization.

253741407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84580472.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 253741407 is about 15929.2626006353. The cubic root of 253741407 is about 633.0875620406.

Adding to 253741407 its reverse (704147352), we get a palindrome (957888759).

The spelling of 253741407 in words is "two hundred fifty-three million, seven hundred forty-one thousand, four hundred seven".