491051254 has 16 divisors (see below), whose sum is σ = 755535600. Its totient is φ = 239268640.

The previous prime is 491051243. The next prime is 491051291. The reversal of 491051254 is 452150194.

It is a super-2 number, since 2×491051254² = 482262668109945032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249 + ... + 31339.

It is an arithmetic number, because the mean of its divisors is an integer number (47220975).

Almost surely, 2^491051254 is an apocalyptic number.

491051254 is a deficient number, since it is larger than the sum of its proper divisors (264484346).

491051254 is a wasteful number, since it uses less digits than its factorization.

491051254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31295.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 491051254 is about 22159.6763063001. The cubic root of 491051254 is about 788.9369100688.

The spelling of 491051254 in words is "four hundred ninety-one million, fifty-one thousand, two hundred fifty-four".