501253194 has 32 divisors (see below), whose sum is σ = 1143132480. Its totient is φ = 145158912.

The previous prime is 501253189. The next prime is 501253213. The reversal of 501253194 is 491352105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187684 + ... + 190335.

It is an arithmetic number, because the mean of its divisors is an integer number (35722890).

Almost surely, 2^501253194 is an apocalyptic number.

501253194 is an abundant number, since it is smaller than the sum of its proper divisors (641879286).

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

501253194 is a wasteful number, since it uses less digits than its factorization.

501253194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378054.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 501253194 is about 22388.6845080277. The cubic root of 501253194 is about 794.3630799109.

The spelling of 501253194 in words is "five hundred one million, two hundred fifty-three thousand, one hundred ninety-four".