249534601 has 2 divisors, whose sum is σ = 249534602. Its totient is φ = 249534600.

The previous prime is 249534587. The next prime is 249534679. The reversal of 249534601 is 106435942.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131790400 + 117744201 = 11480^2 + 10851^2 .

It is a cyclic number.

It is not a de Polignac number, because 249534601 - 2¹⁹ = 249010313 is a prime.

It is not a weakly prime, because it can be changed into another prime (249534001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124767300 + 124767301.

It is an arithmetic number, because the mean of its divisors is an integer number (124767301).

Almost surely, 2^249534601 is an apocalyptic number.

It is an amenable number.

249534601 is a deficient number, since it is larger than the sum of its proper divisors (1).

249534601 is an equidigital number, since it uses as much as digits as its factorization.

249534601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 249534601 is about 15796.6642364773. The cubic root of 249534601 is about 629.5693714592.

The spelling of 249534601 in words is "two hundred forty-nine million, five hundred thirty-four thousand, six hundred one".