253725726 has 8 divisors (see below), whose sum is σ = 507451464. Its totient is φ = 84575240.

The previous prime is 253725709. The next prime is 253725743. The reversal of 253725726 is 627527352.

253725726 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253725709) and next prime (253725743).

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

253725726 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21143805 + ... + 21143816.

It is an arithmetic number, because the mean of its divisors is an integer number (63431433).

Almost surely, 2^253725726 is an apocalyptic number.

253725726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253725726 is a wasteful number, since it uses less digits than its factorization.

253725726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42287626.

The product of its digits is 176400, while the sum is 39.

The square root of 253725726 is about 15928.7703856889. The cubic root of 253725726 is about 633.0745203503.

The spelling of 253725726 in words is "two hundred fifty-three million, seven hundred twenty-five thousand, seven hundred twenty-six".