1234538507 has 2 divisors, whose sum is σ = 1234538508. Its totient is φ = 1234538506.

The previous prime is 1234538483. The next prime is 1234538549. The reversal of 1234538507 is 7058354321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234538507 - 2⁶ = 1234538443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234538567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617269253 + 617269254.

It is an arithmetic number, because the mean of its divisors is an integer number (617269254).

Almost surely, 2^1234538507 is an apocalyptic number.

1234538507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234538507 is an equidigital number, since it uses as much as digits as its factorization.

1234538507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 1234538507 is about 35136.0001565346. Note that the first 3 decimals coincide. The cubic root of 1234538507 is about 1072.7574688811.

The spelling of 1234538507 in words is "one billion, two hundred thirty-four million, five hundred thirty-eight thousand, five hundred seven".