246564541 has 2 divisors, whose sum is σ = 246564542. Its totient is φ = 246564540.

The previous prime is 246564511. The next prime is 246564547. The reversal of 246564541 is 145465642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243516025 + 3048516 = 15605^2 + 1746^2 .

It is a cyclic number.

It is not a de Polignac number, because 246564541 - 2⁵ = 246564509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 246564541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246564547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123282270 + 123282271.

It is an arithmetic number, because the mean of its divisors is an integer number (123282271).

Almost surely, 2^246564541 is an apocalyptic number.

It is an amenable number.

246564541 is a deficient number, since it is larger than the sum of its proper divisors (1).

246564541 is an equidigital number, since it uses as much as digits as its factorization.

246564541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 37.

The square root of 246564541 is about 15702.3737377506. The cubic root of 246564541 is about 627.0616005281.

The spelling of 246564541 in words is "two hundred forty-six million, five hundred sixty-four thousand, five hundred forty-one".