1492457 has 2 divisors, whose sum is σ = 1492458. Its totient is φ = 1492456.

The previous prime is 1492453. The next prime is 1492459. The reversal of 1492457 is 7542941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1401856 + 90601 = 1184^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492457 - 2² = 1492453 is a prime.

Together with 1492459, 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 (1492453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746228 + 746229.

It is an arithmetic number, because the mean of its divisors is an integer number (746229).

2^1492457 is an apocalyptic number.

It is an amenable number.

1492457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492457 is an equidigital number, since it uses as much as digits as its factorization.

1492457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 1492457 is about 1221.6615734319. The cubic root of 1492457 is about 114.2792221759.

The spelling of 1492457 in words is "one million, four hundred ninety-two thousand, four hundred fifty-seven".