249560601 has 4 divisors (see below), whose sum is σ = 332747472. Its totient is φ = 166373732.

The previous prime is 249560593. The next prime is 249560609. The reversal of 249560601 is 106065942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (249560593) and next prime (249560609).

It is a cyclic number.

It is not a de Polignac number, because 249560601 - 2³ = 249560593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249560609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41593431 + ... + 41593436.

It is an arithmetic number, because the mean of its divisors is an integer number (83186868).

Almost surely, 2^249560601 is an apocalyptic number.

It is an amenable number.

249560601 is a deficient number, since it is larger than the sum of its proper divisors (83186871).

249560601 is an equidigital number, since it uses as much as digits as its factorization.

249560601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83186870.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 249560601 is about 15797.4871735982. The cubic root of 249560601 is about 629.5912364766.

The spelling of 249560601 in words is "two hundred forty-nine million, five hundred sixty thousand, six hundred one".