249590461 has 4 divisors (see below), whose sum is σ = 250270912. Its totient is φ = 248910012.

The previous prime is 249590459. The next prime is 249590483. The reversal of 249590461 is 164095942.

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 a cyclic number.

It is not a de Polignac number, because 249590461 - 2¹ = 249590459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249590401) 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, 339675 + ... + 340408.

It is an arithmetic number, because the mean of its divisors is an integer number (62567728).

Almost surely, 2^249590461 is an apocalyptic number.

It is an amenable number.

249590461 is a deficient number, since it is larger than the sum of its proper divisors (680451).

249590461 is an equidigital number, since it uses as much as digits as its factorization.

249590461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680450.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 249590461 is about 15798.4322323451. The cubic root of 249590461 is about 629.6163457346.

The spelling of 249590461 in words is "two hundred forty-nine million, five hundred ninety thousand, four hundred sixty-one".