4951381 has 8 divisors (see below), whose sum is σ = 5232800. Its totient is φ = 4672080.

The previous prime is 4951379. The next prime is 4951393. The reversal of 4951381 is 1831594.

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

It is a cyclic number.

It is not a de Polignac number, because 4951381 - 2¹ = 4951379 is a prime.

It is a super-2 number, since 2×4951381² = 49032347614322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7690 + ... + 8308.

It is an arithmetic number, because the mean of its divisors is an integer number (654100).

Almost surely, 2^4951381 is an apocalyptic number.

It is an amenable number.

4951381 is a deficient number, since it is larger than the sum of its proper divisors (281419).

4951381 is a wasteful number, since it uses less digits than its factorization.

4951381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059.

The product of its digits is 4320, while the sum is 31.

The square root of 4951381 is about 2225.1698811551. The cubic root of 4951381 is about 170.4415396277.

It can be divided in two parts, 49513 and 81, that added together give a palindrome (49594).

The spelling of 4951381 in words is "four million, nine hundred fifty-one thousand, three hundred eighty-one".