253770494 has 8 divisors (see below), whose sum is σ = 390943848. Its totient is φ = 123455880.

The previous prime is 253770481. The next prime is 253770547. The reversal of 253770494 is 494077352.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714592 + ... + 1714739.

It is an arithmetic number, because the mean of its divisors is an integer number (48867981).

Almost surely, 2^253770494 is an apocalyptic number.

253770494 is a deficient number, since it is larger than the sum of its proper divisors (137173354).

253770494 is a wasteful number, since it uses less digits than its factorization.

253770494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429370.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 253770494 is about 15930.1755796978. The cubic root of 253770494 is about 633.1117519098. Note that the first 3 decimals are identical.

The spelling of 253770494 in words is "two hundred fifty-three million, seven hundred seventy thousand, four hundred ninety-four".