1497281 has 2 divisors, whose sum is σ = 1497282. Its totient is φ = 1497280.

The previous prime is 1497271. The next prime is 1497283. The reversal of 1497281 is 1827941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 919681 + 577600 = 959^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1497281 - 2¹⁸ = 1235137 is a prime.

It is a super-2 number, since 2×1497281² = 4483700785922, which contains 22 as substring.

Together with 1497283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1497283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748640 + 748641.

It is an arithmetic number, because the mean of its divisors is an integer number (748641).

2^1497281 is an apocalyptic number.

It is an amenable number.

1497281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497281 is an equidigital number, since it uses as much as digits as its factorization.

1497281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 1497281 is about 1223.6343408061. The cubic root of 1497281 is about 114.4022162431.

The spelling of 1497281 in words is "one million, four hundred ninety-seven thousand, two hundred eighty-one".