253426407 has 8 divisors (see below), whose sum is σ = 363894384. Its totient is φ = 155954688.

The previous prime is 253426399. The next prime is 253426409. The reversal of 253426407 is 704624352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253426407 - 2³ = 253426399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253426409) 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 7 ways as a sum of consecutive naturals, for example, 3249018 + ... + 3249095.

It is an arithmetic number, because the mean of its divisors is an integer number (45486798).

Almost surely, 2^253426407 is an apocalyptic number.

253426407 is a deficient number, since it is larger than the sum of its proper divisors (110467977).

253426407 is a wasteful number, since it uses less digits than its factorization.

253426407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498129.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 253426407 is about 15919.3720667619. The cubic root of 253426407 is about 632.8254774196.

The spelling of 253426407 in words is "two hundred fifty-three million, four hundred twenty-six thousand, four hundred seven".