102949513 has 8 divisors (see below), whose sum is σ = 104932800. Its totient is φ = 100974288.

The previous prime is 102949499. The next prime is 102949529. The reversal of 102949513 is 315949201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102949513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102949313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27943 + ... + 31411.

It is an arithmetic number, because the mean of its divisors is an integer number (13116600).

Almost surely, 2^102949513 is an apocalyptic number.

It is an amenable number.

102949513 is a deficient number, since it is larger than the sum of its proper divisors (1983287).

102949513 is an equidigital number, since it uses as much as digits as its factorization.

102949513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 102949513 is about 10146.4039442553. The cubic root of 102949513 is about 468.6782131727.

The spelling of 102949513 in words is "one hundred two million, nine hundred forty-nine thousand, five hundred thirteen".