245211240541 has 2 divisors, whose sum is σ = 245211240542. Its totient is φ = 245211240540.

The previous prime is 245211240503. The next prime is 245211240563. The reversal of 245211240541 is 145042112542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233723902500 + 11487338041 = 483450^2 + 107179^2 .

It is a cyclic number.

It is not a de Polignac number, because 245211240541 - 2⁷ = 245211240413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245212240541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122605620270 + 122605620271.

It is an arithmetic number, because the mean of its divisors is an integer number (122605620271).

Almost surely, 2^245211240541 is an apocalyptic number.

It is an amenable number.

245211240541 is a deficient number, since it is larger than the sum of its proper divisors (1).

245211240541 is an equidigital number, since it uses as much as digits as its factorization.

245211240541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 245211240541 in words is "two hundred forty-five billion, two hundred eleven million, two hundred forty thousand, five hundred forty-one".