472252381 has 8 divisors (see below), whose sum is σ = 489502080. Its totient is φ = 455302848.

The previous prime is 472252369. The next prime is 472252397. The reversal of 472252381 is 183252274.

It is a happy number.

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 472252381 - 2¹¹ = 472250333 is a prime.

It is a super-2 number, since 2×472252381² = 446044622720338322, 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 (472252331) 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, 71836 + ... + 78133.

It is an arithmetic number, because the mean of its divisors is an integer number (61187760).

Almost surely, 2^472252381 is an apocalyptic number.

It is an amenable number.

472252381 is a deficient number, since it is larger than the sum of its proper divisors (17249699).

472252381 is a wasteful number, since it uses less digits than its factorization.

472252381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150083.

The product of its digits is 26880, while the sum is 34.

The square root of 472252381 is about 21731.3685947296. The cubic root of 472252381 is about 778.7380322228.

The spelling of 472252381 in words is "four hundred seventy-two million, two hundred fifty-two thousand, three hundred eighty-one".