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374981 is a prime number
BaseRepresentation
bin1011011100011000101
3201001101012
41123203011
543444411
612012005
73121145
oct1334305
9631335
10374981
11236802
12161005
131018a9
149a925
157618b
hex5b8c5

374981 has 2 divisors, whose sum is σ = 374982. Its totient is φ = 374980.

The previous prime is 374977. The next prime is 374987. The reversal of 374981 is 189473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312481 + 62500 = 559^2 + 250^2 .

It is an emirp because it is prime and its reverse (189473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374981 - 22 = 374977 is a prime.

It is a super-2 number, since 2×3749812 = 281221500722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187490 + 187491.

It is an arithmetic number, because the mean of its divisors is an integer number (187491).

2374981 is an apocalyptic number.

It is an amenable number.

374981 is a deficient number, since it is larger than the sum of its proper divisors (1).

374981 is an equidigital number, since it uses as much as digits as its factorization.

374981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 374981 is about 612.3569220642. The cubic root of 374981 is about 72.1112605952. Note that the first 3 decimals are identical.

The spelling of 374981 in words is "three hundred seventy-four thousand, nine hundred eighty-one".