1534753397 has 2 divisors, whose sum is σ = 1534753398. Its totient is φ = 1534753396.

The previous prime is 1534753379. The next prime is 1534753417. The reversal of 1534753397 is 7933574351.

Together with previous prime (1534753379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966836836 + 567916561 = 31094^2 + 23831^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534753397 - 2⁸ = 1534753141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1534753307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767376698 + 767376699.

It is an arithmetic number, because the mean of its divisors is an integer number (767376699).

Almost surely, 2^1534753397 is an apocalyptic number.

It is an amenable number.

1534753397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534753397 is an equidigital number, since it uses as much as digits as its factorization.

1534753397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 47.

The square root of 1534753397 is about 39175.9287956265. The cubic root of 1534753397 is about 1153.4874341539.

The spelling of 1534753397 in words is "one billion, five hundred thirty-four million, seven hundred fifty-three thousand, three hundred ninety-seven".