253868007 has 8 divisors (see below), whose sum is σ = 339713776. Its totient is φ = 168633792.

The previous prime is 253867967. The next prime is 253868029. The reversal of 253868007 is 700868352.

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

It is not a de Polignac number, because 253868007 - 2⁸ = 253867751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253868077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151918 + ... + 153579.

It is an arithmetic number, because the mean of its divisors is an integer number (42464222).

Almost surely, 2^253868007 is an apocalyptic number.

253868007 is a deficient number, since it is larger than the sum of its proper divisors (85845769).

253868007 is a wasteful number, since it uses less digits than its factorization.

253868007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305777.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 253868007 is about 15933.2359236911. The cubic root of 253868007 is about 633.1928339923.

The spelling of 253868007 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, seven".