253042694 has 8 divisors (see below), whose sum is σ = 379775088. Its totient is φ = 126451000.

The previous prime is 253042687. The next prime is 253042697. The reversal of 253042694 is 496240352.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253042697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30557 + ... + 37944.

It is an arithmetic number, because the mean of its divisors is an integer number (47471886).

Almost surely, 2^253042694 is an apocalyptic number.

253042694 is a deficient number, since it is larger than the sum of its proper divisors (126732394).

253042694 is a wasteful number, since it uses less digits than its factorization.

253042694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70350.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 253042694 is about 15907.3157383639. The cubic root of 253042694 is about 632.5059290065.

The spelling of 253042694 in words is "two hundred fifty-three million, forty-two thousand, six hundred ninety-four".