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1374431 is a prime number
BaseRepresentation
bin101001111100011011111
32120211100212
411033203133
5322440211
645243035
714453042
oct5174337
92524325
101374431
118596a3
1256347b
13391796
1427ac59
151c238b
hex14f8df

1374431 has 2 divisors, whose sum is σ = 1374432. Its totient is φ = 1374430.

The previous prime is 1374413. The next prime is 1374437. The reversal of 1374431 is 1344731.

Together with previous prime (1374413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1374431 - 26 = 1374367 is a prime.

It is a super-2 number, since 2×13744312 = 3778121147522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1374397 and 1374406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687215 + 687216.

It is an arithmetic number, because the mean of its divisors is an integer number (687216).

21374431 is an apocalyptic number.

1374431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374431 is an equidigital number, since it uses as much as digits as its factorization.

1374431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 1374431 is about 1172.3612924351. The cubic root of 1374431 is about 111.1836636889.

The spelling of 1374431 in words is "one million, three hundred seventy-four thousand, four hundred thirty-one".