249113527 has 4 divisors (see below), whose sum is σ = 268276120. Its totient is φ = 229950936.

The previous prime is 249113507. The next prime is 249113533. The reversal of 249113527 is 725311942.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 249113527 - 2²³ = 240724919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249113492 and 249113501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249113507) 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, 9581277 + ... + 9581302.

It is an arithmetic number, because the mean of its divisors is an integer number (67069030).

Almost surely, 2^249113527 is an apocalyptic number.

249113527 is a deficient number, since it is larger than the sum of its proper divisors (19162593).

249113527 is a wasteful number, since it uses less digits than its factorization.

249113527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19162592.

The product of its digits is 15120, while the sum is 34.

The square root of 249113527 is about 15783.3306687784. The cubic root of 249113527 is about 629.2150524684.

The spelling of 249113527 in words is "two hundred forty-nine million, one hundred thirteen thousand, five hundred twenty-seven".