245533234537 has 2 divisors, whose sum is σ = 245533234538. Its totient is φ = 245533234536.

The previous prime is 245533234519. The next prime is 245533234553. The reversal of 245533234537 is 735432335542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210067305561 + 35465928976 = 458331^2 + 188324^2 .

It is a cyclic number.

It is not a de Polignac number, because 245533234537 - 2³¹ = 243385750889 is a prime.

It is not a weakly prime, because it can be changed into another prime (245533234517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122766617268 + 122766617269.

It is an arithmetic number, because the mean of its divisors is an integer number (122766617269).

Almost surely, 2^245533234537 is an apocalyptic number.

It is an amenable number.

245533234537 is a deficient number, since it is larger than the sum of its proper divisors (1).

245533234537 is an equidigital number, since it uses as much as digits as its factorization.

245533234537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 46.

The spelling of 245533234537 in words is "two hundred forty-five billion, five hundred thirty-three million, two hundred thirty-four thousand, five hundred thirty-seven".