1492543097 has 2 divisors, whose sum is σ = 1492543098. Its totient is φ = 1492543096.

The previous prime is 1492543079. The next prime is 1492543099. The reversal of 1492543097 is 7903452941.

Together with previous prime (1492543079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1420988416 + 71554681 = 37696^2 + 8459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492543097 - 2¹⁶ = 1492477561 is a prime.

Together with 1492543099, 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 (1492543099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746271548 + 746271549.

It is an arithmetic number, because the mean of its divisors is an integer number (746271549).

Almost surely, 2^1492543097 is an apocalyptic number.

It is an amenable number.

1492543097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492543097 is an equidigital number, since it uses as much as digits as its factorization.

1492543097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1492543097 is about 38633.4453162024. The cubic root of 1492543097 is about 1142.8141965045.

The spelling of 1492543097 in words is "one billion, four hundred ninety-two million, five hundred forty-three thousand, ninety-seven".