21371162 has 8 divisors (see below), whose sum is σ = 33744000. Its totient is φ = 10123164.

The previous prime is 21371153. The next prime is 21371171. The reversal of 21371162 is 26117312.

It is an interprime number because it is at equal distance from previous prime (21371153) and next prime (21371171).

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

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, 281162 + ... + 281237.

It is an arithmetic number, because the mean of its divisors is an integer number (4218000).

Almost surely, 2^21371162 is an apocalyptic number.

21371162 is a deficient number, since it is larger than the sum of its proper divisors (12372838).

21371162 is a wasteful number, since it uses less digits than its factorization.

21371162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562420.

The product of its digits is 504, while the sum is 23.

The square root of 21371162 is about 4622.8954130501. The cubic root of 21371162 is about 277.5083437688.

Adding to 21371162 its reverse (26117312), we get a palindrome (47488474).

The spelling of 21371162 in words is "twenty-one million, three hundred seventy-one thousand, one hundred sixty-two".